Cisco Akademia

1. In an IPv4 environment, what information is used by the router to forward data packets from one interface of a router to another?
• destination network address
• source network address
• source MAC address
• well known port destination address

2. What information is added during encapsulation at OSI Layer 3?
• source and destination MAC
• source and destination application protocol
• source and destination port number
• source and destination IP address

3. In a connectionless system, which of the following is correct?
• The destination is contacted before a packet is sent.
• The destination is not contacted before a packet is sent.
• The destination sends an acknowledgement to the source that indicates the packet was received.
• The destination sends an acknowledgement to the source that requests the next packet to be sent.

4. Which IP packet field will prevent endless loops?
• type-of-service
• identification
• flags
• time-to-live
• header checksum

5. Which portion of the network layer address does a router use to forward packets?
• host portion
• broadcast address
• network portion
• gateway address

6. Refer to the exhibit. Using the network in the exhibit, what would be the default gateway address for host A in the 192.133.219.0 network?
• 192.135.250.1
• 192.31.7.1
• 192.133.219.0
• 192.133.219.1

7. If the default gateway is configured incorrectly on the host, what is the impact on communications?
• The host is unable to communicate on the local network.
• The host can communicate with other hosts on the local network, but is unable to communicate with hosts on remote networks.
• The host can communicate with other hosts on remote networks, but is unable to communicate with hosts on the local network.
• There is no impact on communications.

8. What is the purpose of a default gateway?
• physically connects a computer to a network
• provides a permanent address to a computer
• identifies the network to which a computer is connected
• identifies the logical address of a networked computer and uniquely identifies it to the rest of the network
• identifies the device that allows local network computers to communicate with devices on other networks

9. What type of routing uses information that is manually entered into the routing table?
• dynamic
• interior
• static
• standard

10. When the destination network is not listed in the routing table of a Cisco router, what are two possible actions that the router might take? (Choose two.)
• The router sends an ARP request to determine the required next hop address.
• The router discards the packet.
• The router forwards the packet toward the next hop indicated in the ARP table.
• The router forwards the packet to the interface indicated by the source address.
• The router forwards the packet out the interface indicated by the default route entry.

11. What are the key factors to consider when grouping hosts into a common network? (Choose three.)
• gateways
• purpose
• physical addressing
• software version
• geographic location
• ownership

12. What is a component of a routing table entry?
• the MAC address of the interface of the router
• the destination Layer 4 port number
• the destination host address
• the next-hop address

13. Which intermediary devices could be used to implement security between networks? (Choose two.)
• router
• hub
• switch
• firewall
• access point
• bridge

14. What are three common problems with a large network? (Choose three.)
• too few broadcasts
• performance degradation
• security issues
• limited management responsibility
• host identification
• protocol compatibility

15. Refer to the exhibit. All devices shown in the exhibit have factory default settings. How many broadcast domains are represented in the topology that is shown?
• 3
• 4
• 5
• 7
• 8
11

16. Which three statements are true about routes and their use? (Choose three.)
•If no route to the destination network is found, the packet is returned to the previous router.
•If the destination network is directly connected, the router forwards the packet to the destination host.
• If multiple network entries exist for the destination network, the most general route is used to forward the packet.
• If no route exists for the destination network and a default route is present, the packet is forwarded to the next-hop router.
• If the originating host has a default gateway configured, the packet for a remote network can be forwarded using that route.
• If a host does not have a route manually configured for the destination network, the host will drop the packet.

17. Refer to the exhibit. A network administrator is troubleshooting a connectivity problem and needs to determine the address that is used to forward network packets out the network. Using the netstat -r command, the administrator would identify which address as the address to which all hosts send packets that are destined for an outside network?
• 10.10.10.26
• 127.0.0.1
• 10.10.10.6
• 10.10.10.1
• 224.0.0.0

18. Refer to the exhibit. A network administrator notices that there are too many broadcasts on the network. What two steps can the network administrator take to resolve this problem? (Choose two.)
• Replace S2 with a router.
• Place all servers on S1.
• Disable TCP/IP broadcasts.
• Subnet the 192.168.0.0 /24 network.
• Disable all unused interfaces on the switches.

19. Refer to the exhibit. The network in the exhibit is fully operational. What two statements correctly describe the routing for the topology that is shown? (Choose two.)
• 192.168.0.2 is the next-hop address that is used by R3 to route a packet from the 10.0.0.0 network to the 172.16.0.0 network.
• 10.0.0.1 is the next-hop address that is used by R1 to route a packet from the 192.168.12.0 network to the 10.0.0.0 network.
• 192.168.0.1 is the next-hop address that is used by R1 to route a packet from the 192.168.12.0 network to the 172.16.0.0 network.
• 172.16.0.1 is the next-hop address that is used by R3 to route a packet from the 10.0.0.0 to the 172.16.0.0 network.
• 192.168.0.1 is the next-hop address that is used by R2 to route a packet from the 172.16.0.0 network to the 192.168.12.0 network.
• 192.168.0.2 is the next-hop address that is used by R2 to route a packet from the 172.16.0.0 network to the 192.168.12.0 network.

20. What two characteristics are commonly associated with dynamic routing protocols? (Choose two.)
• require no device configuration
• provide routers with up-to-date routing tables
• require less processing power than static routes require
• consume bandwidth to exchange route information
• prevent manual configuration and maintenance of the routing table

21. What statement describes the purpose of a default route?
• A host uses a default route to transfer data to another host on the same network segment.
• A host uses a default route to forward data to the local switch as the next hop to all destinations.
• A host uses a default route to identify the Layer 2 address of an end device on the local network.
• A host uses a default route to transfer data to a host outside the local network when no other route to the destination exists.

1. Based on the transport layer header shown in the diagram, which of the following statements describe the established session? (Choose two.)
• This is a UDP header.
• This contains a Telnet request.
• This contains a TFTP data transfer.
• The return packet from this remote host will have an Acknowledgement Number of 43693.
• This is a TCP header.

2. With TCP/IP data encapsulation, which range of port numbers identifies all well-known applications?
• 0 to 255
• 256 to 1022
• 0 to 1023
• 1024 to 2047
• 49153 to 65535

3. Why are port numbers included in the TCP header of a segment?
• to indicate the correct router interface that should be used to forward a segment
• to identify which switch ports should receive or forward the segment
• to determine which Layer 3 protocol should be used to encapsulate the data
• to enable a receiving host to forward the data to the appropriate application
• to allow the receiving host to assemble the packet in the proper order

4. Which OSI model layer is responsible for regulating the flow of information from source to destination, reliably and accurately?
• application
• presentation
• session
• transport
• network

5. Refer to the exhibit. Host A is using FTP to download a large file from Server 1. During the download process, Server 1 does not receive an acknowledgment from Host A for several bytes of transferred data. What action will Server 1 take as a result?
• create a Layer 1 jam signal
• reach a timeout and resend the data that needs to be acknowledged
• send a RESET bit to the host
• change the window size in the Layer 4 header

6. Why is flow control used for TCP data transfer?
• to synchronize equipment speed for sent data
• to synchronize and order sequence numbers so data is sent in complete numerical order
• to prevent the receiver from being overwhelmed by incoming data
• to synchronize window size on the server
• to simplify data transfer to multiple hosts

7. Which two options represent Layer 4 addressing? (Choose two.)
• identifies the destination network
• identifies source and destination hosts
• identifies the communicating applications
• identifies multiple conversations between the hosts
• identifies the devices communicating over the local media

8. Refer to the exhibit. In line 7 of this Wireshark capture, what TCP operation is being performed?
• session establishment
• segment retransmit
• data transfer
• session disconnect
• Bottom of Form

9. Refer to the exhibit. What two pieces of information can be determined from the output that is shown? (Choose two.)
• The local host is using well-known port numbers to identify the source ports.
• A termination request has been sent to 192.135.250.10.
• Communication with 64.100.173.42 is using HTTP Secure.
• The local computer is accepting HTTP requests.
• 192.168.1.101:1042 is performing the three-way handshake with 128.107.229.50:80.

10. What is dynamically selected by the source host when forwarding data?
• destination logical address
• source physical address
• default gateway address
• source port

11. What are two features of the User Datagram Protocol (UDP)? (Choose two.)
• flow control
• low overhead
• connectionless
• connection-oriented
• sequence and acknowledgements

12. What mechanism is used by TCP to provide flow control as segments travel from source to destination?
• sequence numbers
• session establishment
• window size
• acknowledgments

13. Which transport layer protocol provides low overhead and would be used for applications which do not require reliable data delivery?
• TCP
• IP
• UDP
• HTTP
• DNS

14. Which information is found in both the TCP and UDP header information?
• sequencing
• flow control
• acknowledgments
• source and destination

15. Which three features allow TCP to reliably and accurately track the transmission of data from source to destination?
• encapsulation
• flow control
• connectionless services
• session establishment
• numbering and sequencing
• best effort delivery

16. During a TCP communication session, if the packets arrive to the destination out of order, what will happen to the original message?
• The packets will not be delivered.
• The packets will be retransmitted from the source.
• The packets will be delivered and reassembled at the destination.
• The packets will be delivered and not reassembled at the destination.

17. Which is an important characteristic of UDP?
• acknowledgement of data delivery
• minimal delays in data delivery
• high reliability of data delivery
• same order data delivery

18. After a web browser makes a request to a web server that is listening to the standard port, what will be the source port number in the TCP header of the response from the server?
• 13
• 53
• 80
• 1024
• 1728

19. Which event occurs during the transport layer three-way handshake?
• The two applications exchange data.
• TCP initializes the sequence numbers for the sessions.
• UDP establishes the maximum number of bytes to be sent.
• The server acknowledges the bytes of data received from the client.

1. What application layer protocol is commonly used to support for file transfers between a client and a server?
• HTML
• HTTP
• FTP
• Telnet

2. What are two forms of application layer software? (Choose two.)
• applications
• dialogs
• requests
• services
• syntax

3. A network administrator is designing a network for a new branch office of twenty-five users. What are the advantages of using a client-server model? (Choose two.)
• centralized administration
• does not require specialized software
• security is easier to enforce
• lower cost implementation
• provides a single point of failure

4. What is the purpose of resource records in DNS?
• temporarily holds resolved entries
• used by the server to resolve names
• sent by the client to during a query
• passes authentication information between the server and client

5. What is the automated service that matches resource names with the required IP address?
• HTTP
• SSH
• FQDN
• DNS
• Telnet
• SMTP

6. What three protocols operate at the Application layer of the OSI model? (Choose three.)
• ARP
• DNS
• PPP
• SMTP
• POP
• ICMP

7. What are three properties of peer-to-peer applications? (Choose three.)
• acts as both a client and server within the same communication.
• requires centralized account administration.
• hybrid mode includes a centralized directory of files.
• can be used in client-server networks.
• requires a direct physical connection between devices.
• centralized authentication is required.

8. Which application layer protocols correctly match a corresponding function? (Choose two.)
• DNS dynamically allocates IP addresses to hosts
• HTTP transfers data from a web server to a client
• POP delivers email from the client to the server email server
• SMTP supports file sharing
• Telnet provides a virtual connection for remote access

9. Which email components are used to forward mail between servers? (Choose two.)
• MDA
• IMAP
• MTA
• POP
• SMTP
• MUA

10. As compared to SSH, what is the primary disadvantage of telnet?
• not widely available
• does not support encryption
• consumes more network bandwidth
• does not support authentication

11. Which statements are correct concerning the role of the MTA in handling email? (Choose three.)
• routes email to the MDA on other servers
• receives email from the client's MUA
• receives email via the POP3 protocol
• passes email to the MDA for final delivery
• uses SMTP to route email between servers
• delivers email to clients via the POP3 protocol

12. Which two protocols are used to control the transfer of web resources from a web server to a client browser? (Choose two.)
• ASP
• FTP
•HTML
• HTTP
• HTTPS
• IP

13. A small home network has been installed to interconnect three computers together for gaming and file sharing. What two properties represent this network type? (Choose two.)
• User accounts are centralized.
• Security is difficult to enforce.
• Specialized operating system software is required.
• File permissions are controlled by a single computer.
• A computer that responds to a file sharing request is functioning as a server.

14. Which layer of the OSI model supplies services that allow user to interface with the network?
• physical
• session
• network
• presentation
• application
• transport

15. Refer to the exhibit. What is the destination port for the communication that is represented on line 5?
• 80
• 1261
• 15533
• 3912
• 65520

16. What are two characteristics of peer-to-peer networks? (Choose two.)
• scalable
• one way data flow
• decentralized resources
• centralized user accounts
• resource sharing without a dedicated server

17. What application layer protocol describes the services that are used for file sharing in Microsoft networks?
• DHCP
• DNS
• SMB
• SMTP
• Telnet

18. What are two characteristics of clients in data networks? (Choose two.)
• use daemons
• initiate data exchanges
• are repositories of data
• may upload data to servers
• listen for requests from servers

19. What is the role of the OSI application layer?
• provides segmentation of data
• provides encryption and conversion of data
• provides the interface between the applications on either end of the network
• provides control of all the data flowing between the source and destination devices

20. How does the application layer on a server usually process multiple client request for services?
• ceases all connections to the service
• denies multiple connections to a single daemon
• suspends the current connection to allow the new connection
• uses support from lower layer functions to distinguish between connections to the service

1. Which two layers of the OSI model have the same functions as the TCP/IP model Network Access Layer? (Choose two.)
• Network
• Transport
• Physical
• Data Link
• Session

2. What is a primary function of the trailer information added by the data link layer encapsulation?
• supports error detection
• ensures ordered arrival of data
• provides delivery to correct destination
• identifies the devices on the local network
• assists intermediary devices with processing and path selection

3. During the encapsulation process, what occurs at the data link layer?
• No address is added.
• The logical address is added.
• The physical address is added.
• The process port number is added.

4. What device is considered an intermediary device?
• file server
• IP phone
• laptop
• printer
• switch

5.Which layer encapsulates the segment into packets?
• physical
• data link
• network
• transport

6. Which statements correctly identify the role of intermediary devices in the network? (Choose three.)
• determine pathways for data
• initiate data communications
• retime and retransmit data signals
• originate the flow of data
• manage data flows
• final termination point for data flow

7. What can be identified by examining the network layer header?
• the destination device on the local media
• the path to use to reach the destination host
• the bits that will be transferred over the media
• the source application or process creating the data

8. What is the proper order of the layers of the OSI model from the highest layer to the lowest layer?
• physical, network, application, data link, presentation, session, transport
• application, physical, session, transport, network, data link, presentation
• application, presentation, physical, session, data link, transport, network
• application, presentation, session, transport, network, data link, physical
• presentation, data link, session, transport, network, physical, application

9. Refer to the exhibit. Which three labels correctly identify the network types for the network segments that are shown? (Choose three.)
• Network A -- WAN
• Network B -- WAN
• Network C -- LAN
• Network B -- MAN
• Network C -- WAN
• Network A -- LAN

10. What are the key functions of encapsulation? (Choose three.)
• allows modification of the original data before transmission
• identifies pieces of data as part of the same communication
• enables consistent network paths for communication
• ensures that data pieces can be directed to the correct receiving end device
• enables the reassembly of complete messages
• tracks delay between end devices

11. Refer to the exhibit. Which networking term describes the data interleaving process represented in the graphic?
• piping
• PDU
• streaming
• multiplexing
• encapsulation

12. What is a PDU?
• corruption of a frame during transmission
• data reassembled at the destination
• retransmitted packets due to lost communication
• a layer specific encapsulation

13. Refer to the exhibit. "Cell A" at IP address 10.0.0.34 has established an IP session with "IP Phone 1" at IP address 172.16.1.103. Based upon the graphic, which device type best describes the function of wireless device "Cell A?"
• the destination device
• an end device
• an intermediate device
• a media device

14. Refer to the exhibit. Which set of devices contains only end devices?
• A, C, D
• B, E, G, H
• C, D, G, H, I, J
• D, E, F, H, I, J
• E, F, H, I, J

15. Refer to the exhibit. Which term correctly identifies the device type that is included in the green area?
• source
• end
• transfer
• intermediary

16. Which three statements best describe a Local Area Network (LAN)? (Choose three.)
• A LAN is usually in a single geographical area.
• The network is administered by a single organization.
• The connection between segments in the LAN is usually through a leased connection.
• The security and access control of the network are controlled by a service provider.
• A LAN provides network services and access to applications for users within a common organization.
• Each end of the network is generally connected to a Telecommunication Service Provider (TSP).

17. Refer to the exhibit. What type of network is shown?
• WAN
• MAN
• LAN
• WLAN

18. What is the purpose of the TCP/IP Network Access layer?
• path determination and packet switching
• data representation, encoding, and control
• reliability, flow control, and error detection
• detailing the components that make up the physical link and how to access it
• the division of segments into packets

19. Which characteristic correctly refers to end devices in a network?
• manage data flows
• originate data flow
• retime and retransmit data signals
• determine pathways for data

20. What is the primary purpose of Layer 4 port assignment?
• to identify devices on the local media
• to identify the hops between source and destination
• to identify to the intermediary devices the best path through the network
• to identify the source and destination end devices that are communicating
• to identify the processes or services that are communicating within the end devices

21. Select the statements that are correct concerning network protocols. (Choose three.)
• define the structure of layer specific PDU's
• dictate how to accomplish layer functions
• outline the functions necessary for communications between layers
• limit hardware compatibility
• require layer dependent encapsulations
• eliminate standardization among vendors

Options With Highlight Colours are Correct Answer

1. Which of the following descriptions are true regarding the management connections on a Cisco router? (Choose three.)

• They are non-network connections.
• They are used to connect the router to the rest of the production network.
• They are synchronous serial ports.
• They are used for initial router configuration.
• They are asynchronous serial ports.
• They are accessed using their assigned IP address.

2. The console port can be used for which of the following? (Choose three.)
• debugging.
• password recovery.
• routing data between networks.
• troubleshooting.
• connecting one router to another.

3. Which of the following describes the function of a WAN?
• connects peripherals in a single location.
• connects multiple networks in a single building.
• provides connectivity on a LAN.
• provides connectivity over a large geographic area.

4. An internetwork must include which of the following? (Choose three.)
• switching.
• static addressing.
• IETF standardization.
• dynamic or static routing.
• consistent end-to-end addressing.

5. ABC Company just purchased three new routers to start their company network. Which items are needed to establish a terminal session between a PC and the router for the initial configuration? (Choose three.)
• straight-through cable.
• terminal emulation software.
• rollover cable.
• RJ-45 to DB-9 connector.
• V.35 cable.

6.Terminal emulation software, such as HyperTerminal, can be used to configure a router. Which of the following HyperTerminal options shown in the graphic are correctly set to allow configuration of a Cisco router? (Choose three.)
• bits per second.
• data bits.
• parity.
• stop bits.
• flow control.

7. Which of the following devices are used in the construction of a WAN? (Choose three.)
• hubs.
• routers.
• communication servers.
• transceivers.
• modems.
• multi-port repeaters.

8. Which of the following are functions of RAM? (Choose three.)
• contains startup configuration file.
• stores routing table.
• holds fast switching cache.
• retains contents when power is removed.
• stores running configuration file.

9. Why is a console connection to a router or switch preferred when troubleshooting? (Choose two.)
• can be accessed remotely.
• does not depend on network services.
• displays startup and error messages by default.
• does not require special components.

10. Which basic components do a router and a standard desktop PC have in common? (Choose three.)
• CPU.
• hard drive.
• input/output interfaces.
• keyboard.
• monitor.
• system bus.

11. During the initial configuration of a 2600 series Cisco router, which cable is required for connecting a PC to the console port?
• twisted.
• crossover.
• rollover.
• straight.

12. A router is composed of many internal components. Which of the following components stores a copy of the router's configuration file?
• metal-oxide memory.
• read only memory.
• flash memory.
• non-volatile random access memory.

13. What contains the instructions that a router uses to control the flow of traffic through its interfaces?
• packet configuration.
• configuration files.
• flash memory.
• internal components.

14. Several Ethernet hosts on a LAN need the gateway services of a Cisco 2500 series router. Which of the following would be needed to physically connect a router to all of the hosts on the LAN? (Choose two.)
• a crossover cable between the transceiver on a router and a switch.
• a crossover cables between a switch and hosts on a LAN.
• a straight-through cable between the auxiliary port on a router and a switch.
• a rollover cable between the console port on a router and a switch.
• straight-through cables between a switch and hosts on a LAN.
• a straight-through cable between the transceiver on a router and a switch.

15. Which router component holds the configuration file when power is lost?
• volatile random access memory.
• read only memory.
• non-volatile random access memory.
• flash memory.

16. Which of the following layers of the OSI model are incorporated in WAN standards? (Choose two.)
•physical layer.
• application layer.
• transport layer.
• data link layer.
• session layer.

17. Which of the following are true regarding router interfaces? (Choose three.)
• provide temporary memory for the router configuration files.
• connect the router to the network for packet entry and exit.
• can be on the motherboard or a separate module.
• hold the IOS image.
• connect the router to LANs and WANs.

18. Which of the following tasks can be accomplished through a management connection on a router? (Choose three.)
• troubleshooting problems.
• monitoring the system.
• capturing LAN data packets.
• configuring the router.
• routing data packets.

19. What do routers use to select the best path for outgoing data packets?
• ARP tables.
• bridging tables.
• routing tables.
• switching tables.

20. Which of the following are functions of NVRAM? (Choose two.)
• stores the routing table.
• retains contents when power is removed.
• stores the startup configuration file.
• contains the running configuration file.
• stores the ARP table.

21. Select the statements that correctly describe flash memory in a 2600 series router? (Choose two.)
• holds the startup configuration by default.
• can be upgraded with single in-line memory modules.
• stores Cisco IOS software images.
• stores routing table information by default.
• maintains the only copy of an IOS image after the router is booted.

Възможности с Новина Цветовете са правилни отговори

1. Въз основа на транспортния слой заглавния показан в диаграма, кои от следните твърдения описва установените сесия? (Изберете два.)

• Това е UDP заглавната част.

• Това съдържа Telnet искане.

• Това съдържа TFTP пренос на данни.

• Възвръщаемостта на пакети от този отдалечен хост ще има потвърждение на номер 43693.

• Това е TCP заглавната част.

2. С TCP / IP капсуловане данни, които гама от номера на портове идентифицира всички добре познати приложения?

• 0 до 255
• 256 до 1022
• 0 до 1023
• 1024 до 2047
• 49153 до 65535

3. Защо пристанище номера, включени в заглавната част на TCP сегмент?

• да се посочи правилната маршрутизатор интерфейс, който трябва да се използва за напред сегмент

• За да определите кои портове трябва да превключите получават или изпращат сегмент

• да се определи кои слой 3 протокола трябва да се използва за капсулова данни

• да се даде възможност за получаване на приемащата да предаде данните на съответното приложение

• да се даде възможност на получаване на приемащата да събира пакети в правилния ред

4. Което OSI модел слой е отговорен за регулиране на потока от информация от източника до местоназначението, надеждно и точно?

• прилагане
• Представяне
• сесията
• Транспорт

• мрежата

5. Обърнете се към изява. Хост А се използва FTP за да си изтеглите голям файл от сървъра 1.По време на процеса на изтегляне, Сървърен 1 не се получи потвърждение от домакин на няколко байта на прехвърлените данни.Какви действия ще предприеме Server 1 като резултат?

• създаде слой 1 конфитюр сигнал

• постигане на горния край и изпратете данните, които трябва да бъдат признати

• изпращане на RESET малко на приемащата

• Смяна на размера на прозореца в слой заглавния 4

6. Защо е поток за контрол, използвани за TCP прехвърляне на данни?

• да синхронизирате оборудване скорост за изпратени данни

• да синхронизирате и ред поредица цифри, така данните се изпращат в пълния числен ред

• да се пречи на приемника се overwhelmed от входящите данни

• да синхронизирате прозорец размер на сървъра

• да се опрости трансфер на данни към множество хостове

7. Кои два варианта представляват слой 4 адресиране? (Изберете два.)

• посочва предназначението на мрежата

• посочва източника и дестинацията Силите

• идентифицира общуването приложения

• идентифицира множество разговори между Силите

• идентифицира устройства общуването над местните медии

8. Обърнете се към изява. В съответствие 7 от настоящия Wireshark улавяне, какво TCP операция се извършва?

• установяване сесия

• сегмент препрати

• пренос на данни

• сесията изключвате

• Най-отдолу на Форма

9. Обърнете се към изява.Какво две парчета на информация може да се определи от изхода, която да се показва? (Изберете два.)

• Местни приемащия използва добре познати номера на портове за идентифициране на източника пристанища.

• A прекратяване искане е изпратено до 192.135.250.10.

• Комуникация с 64.100.173.42 използва HTTP Защитено.

• на локалния компютър се приемат HTTP заявки.

• 192.168.1.101:1042 се извършва по три начина ръкостискане с 128.107.229.50:80.

10. Какво е динамично, избрани от източника домакин при предаването на данни?

• дестинация логически адрес

• източник Точният адрес

• шлюза по подразбиране на адрес

• източник на пристанището

11. Какви са две възможности на потребителя Datagram протокол (UDP)?

(Изберете два.)

• поток контрол

• ниски режийни

• connectionless

• Връзка ориентирани

• последователност и благодарности

12. Какъв механизъм е използван от TCP поток да се предвиди контрол, както сегменти от пътуват източник на дестинация?

• последователност номера

• установяване сесия

• Размер на прозореца

• потвърждаване

13. Кои транспортни слой протокол предвижда ниски режийни и ще бъде използван за заявленията, които не изискват достоверни данни за доставка?

• TCP

• IP

• UDP

• HTTP

• DNS

14. Коя информация е установено както в TCP и UDP заглавна информация?

• секвениране

• поток контрол

• потвърждаване

• източника и дестинацията

15. Която три функции позволяват TCP за надеждно и точно проследяване на предаване на данни от източника на дестинация?

• Капсуловане

• поток контрол

• connectionless услуги

• установяване сесия

• номериране и секвениране

• Най-добри постижения за доставка

16. По време на TCP комуникацията сесия, ако пакети пристигнат до дестинацията на реда, какво ще се случи с оригиналния съобщение?

• В пакетите няма да бъде доставен.

• В пакетите ще се препредават от източника.

• В пакетите ще бъдат доставени и пресглобен по предназначение.

• В пакетите ще бъдат представени пресглобен, а не по предназначение.

17. Което е важна характеристика на UDP?

• потвърждаване на данните за доставка

• минимални закъснения в данните за доставка

• Висока надеждност на данните за доставка

• една и съща цел доставяне на данни

18. След като уеб браузър прави заявка към уеб сървъра, който е за слушане на стандарта порт, какво ще стане източник на порт TCP номер в заглавната част на отговора от сървъра?

• 13

• 53

• 80

• 1024

• 1728

19. Кое събитие по време на транспортирането слой по три начина ръкостискане?

• Двете заявления за обмен на данни.

• TCP initializes редицата числа за сесии.

• UDP определя максималния брой на байтове, които се изпращат.

• Сървърът признава байтове данни, получени от клиента.

Възможности с Новина Цветовете са правилни отговори

1.Какво заявление слой протокола е често използвани в подкрепа на файл трансфери между клиент и сървър?

• HTML

• HTTP

• FTP

• Telnet

2. Какви са две форми на приложение слой софтуер? (Изберете два.)

• приложения

• диалогови прозорци

• искания

• услуги

• синтаксис

3. А мрежов администратор е проектирането на мрежа за нов клон на двадесет и пет потребители.Какви са предимствата на използване на модела клиент-сървър?

(Изберете два.)

• централизирана администрация

• не изисква специализиран софтуе

• сигурност е по-лесно да се въведе

• по-ниска цена изпълнител

• осигурява единна точка на провал

4. Каква е целта на ресурс в DNS записите?

• временно разрешен притежава записи

• използва от сървъра за разрешаване на имена

• изпратен от клиент по време на запитването

• проходи за удостоверяване на информация между сървъра и клиента

5. Каква е автоматизирана услуга, която съвпада с имената на ресурсите, необходими IP адрес?

• HTTP

• SSH

• FQDN

• DNS

• Telnet

• SMTP

6. Какво три протокола работи при кандидатстване слой от OSI модела? (Изберете три.)

• ARP

• DNS

• PPP

• SMTP

• POP

• ICMP

7. Какви са три свойства на пер-с-пер приложения? (Изберете три.)

• действа като едновременно клиент и сървър в една и съща комуникация.

• изисква централизирано управление профил.

• хибриден режим включва централизирана директория с файлове.

• могат да бъдат използвани в клиент-сървър мрежи.

• изисква пряка физическа връзка между устройствата.

• централизирана автентификация е задължително.

8. Които се подава заявление слой протоколи правилно мач съответна функция? (Изберете два.)

• DNS динамично разпределя IP адреси на хостове

• HTTP трансфери на данни от уеб сървъра към клиента

• POP осигурява емайл от клиента към сървъра имейл сървър

• SMTP поддържа споделяне на файлове

• Telnet осигурява виртуална връзка за отдалечен достъп

9. Което имейл компоненти се използват, за да изпраща поща между сървъри?(Изберете два.)

• MDA

• IMAP

• MTA

• POP

• SMTP

• MUA

10. В сравнение с SSH, какво е основният недостатък на телнет?

• не е широко разпространена

• не поддържа криптиране

• консумира повече мрежа, която изисква бърза връзка

• не поддържа автентификация

11. Кои твърдения са верни по отношение на ролята на MTA в обработката на имейл?

(Choose three.)

• маршрути имейл на MDA на други сървъри

• получава имейл от страна на клиента MUA

• получава електронна поща чрез POP3 протокол

• минава имейл на MDA за крайна доставка

• SMTP да се използва път между имейл сървъри

• доставя на клиентите електронна поща чрез POP3 протокол

12. Които две протоколи се използват за контрол на прехвърлянето на ресурси от интернет уеб сървър към клиент браузър?(Изберете два.)

• ASP

• FTP

HTML

• HTTP

• HTTPS

• IP

13. Малка домашна мрежа е била инсталирана на три часа се помежду си компютри заедно за игри и споделяне на файлове. Какви два часа имота представлява този вид мрежа? (Изберете два.)

• Потребителски профили са централизирани.

• Сигурност е трудно да се наложат.

• Специализиран софтуер за операционната система е необходима.

• Файл разрешения са контролирани от един компютър.

• компютър, който отговаря за споделяне на файлове запитване функционира като сървър.

14. Кой слой на OSI модела доставки, услуги, които да позволяват на потребителя интерфейс с мрежа?

• физическата

• сесия

• мрежа

• представяне

• приложение

• транспорт

15. Обърнете се към изява. Каква е дестинацията порт за комуникация, която е представена на 5 ред?

• 80

• 1261

• 15533

• 3912

• 65520

16. Какви са две характеристики на пер-с-пер мрежи? (Изберете два.)

• мащабируеми

• еднопосочен поток на данни

• децентрализирани ресурси

• централизирани потребителски акаунти

• споделяне на ресурси, без посветен сървър

17. Какво заявление слой протокола се описва услугите, които се използват за споделяне на файлове в Microsoft мрежи?

• DHCP

• DNS

• SMB

• SMTP

• Telnet

18. Какви са две характеристики на клиенти в мрежите на данни?(Изберете два.)

• използване daemons

• започне обмена на данни

• са хранилища на данни

• май качване на данни към сървърите

• ослушвам се за искания от сървъри

19. Каква е ролята на OSI прилагането слой?

• предвижда сегментирането на данни

• осигурява криптиране и конверсия на данни

• осигурява взаимодействието между заявките на двата края на мрежата

• осигурява контрол на всички данни, протичащи между източника и дестинацията устройств

20. Как прилагането слой на сървър, обикновено процесът много клиентски искане за услуги?

• преустанови всички връзки с услугата

• отрича множество връзки към един демон

• отлага текущата връзка да се позволи на нова връзка

• употреби подкрепа от по-нисък слой функции да се прави разлика между връзка с услугата