Cn Workshop Skill Test Questions.docx

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GANADIPATHY TULSI’S JAIN ENGINEERING COLLEGE Department of Electronics and Communication Engineering in association with

GTEC Cisco Academy “COMPUTER NETWORKS” Workshop – Skill Test Date: ____________________ Name of the Student: _____________________________________________

Reg. No: ________________________

College Name & Code: __________________________________________________________________________________ Email & Mobile Details: ________________________________________________________________________________ Marks scored: _____ out of 25 --------------------------------------------------------------------------------------------------------------------------------------------------01. Which statements correctly identify the role of intermediary devices in the network? (Choose three.) [A] determine pathways for data

[D] originate the flow of data

[B] initiate data communications

[E] manage data flows

[C] retime and retransmit data signals

[F]

final termination point for data flow

02. What are two functions of encapsulation? (Choose two.) [A] tracks delay between end devices

[D] identifies pieces of data as part of the same

[B] enables consistent network paths for

communication

communication

[E] ensures that data pieces can be directed to

[C] allows modification of the original data

the correct receiving end device

before transmission 03. What is a primary function of the trailer information added by the data link layer encapsulation? [A] supports error detection

[D] identifies the devices on the local network

[B] ensures ordered arrival of data

[E] assists intermediary devices with processing

[C] provides delivery to correct destination

and path selection

04. Which two layers of the OSI model have the same functions as the TCP/IP model? (Choose two.) [A] Network

[C] Physical

[B] Transport

[D] Data Link

All the best

[E] Session

2 05. What is a PDU? [A] corruption of a frame during transmission

[C] retransmitted packets due to lost

[B] data reassembled at the destination

communication [D] a layer specific encapsulation

06. Which characteristic correctly refers to end devices in a network? [A] manage data flows

[C] retime and retransmit data signals

[B] originate data flow

[D] determine pathways for data

07. What device is considered an intermediary device? [A] file server

[D] printer

[B] IP phone

[E] switch

[C] laptop 08. Which three statements best describe a Local Area Network (LAN)? (Choose three.) [A] A LAN is usually in a single geographical area. [B] The network is administered by a single organization. [C] The connection between segments in the LAN is usually through a leased connection. [D] The security and access control of the network are controlled by a service provider. [E] A LAN provides network services and access to applications for users within a common organization. [F]

Each end of the network is generally connected to a Telecommunication Service Provider (TSP).

09. What do routers use to select the best path for outgoing data packets? [A] ARP tables.

[B]

Bridging tables.

[C]

Routing tables.

10. What is the primary purpose of Layer 4 port assignment? [A] to identify devices on the local media

[D] to identify the source and destination end

[B] to identify the hops between source and

devices that are communicating

destination

[E] to identify the processes or services that

[C] to identify to the intermediary devices the

are communicating within the end devices

best path through the network 11. Which layer encapsulates the segment into packets? [A] physical

[C] network

[B] data link

[D] transport

All the best

3 12.

Refer to the exhibit. Which three labels correctly identify the network types for the network segments that are shown? (Choose three.) [A] Network A — WAN

[C] Network C — LAN

[E] Network C — WAN

[B] Network B — WAN

[D] Network B — MAN

[F]

Network A – LAN

13. What can be identified by examining the network layer header? [A] the destination device on the local media

[C] the bits that will be transferred over the media

[B] the destination host address

[D] the source application or process creating the data

14. Which application layer protocol is commonly used to support for file transfers between a client and a server? [A] HTML

[B] HTTP

[C] FTP

[D] Telnet

15. During the encapsulation process, what occurs at the data link layer? [A] No address is added.

[C] The physical address is added.

[B] The logical address is added.

[D] The process port number is added.

16. What is the proper order of the layers of the OSI model from the highest layer to the lowest layer? [A] physical, network, application, data link, presentation, session, transport [B] application, physical, session, transport, network, data link, presentation [C] application, presentation, physical, session, data link, transport, network [D] application, presentation, session, transport, network, data link, physical [E] presentation, data link, session, transport, network, physical, application 17. Which application layer protocol is commonly used to support for file transfers between a client and a server? [A] HTML

[B] HTTP

[C] FTP

All the best

[D] Telnet

4 18. Which of the following describes the function of a WAN? [A] Connects peripherals in a single location.

[C] Provides connectivity on a LAN.

[B] Connects multiple networks in a single

[D] Provides connectivity over a large

building.

geographic area.

19. Refer to the exhibit. What type of network is shown? [A] WAN [B] MAN [C] LAN [D] WLAN

20. In an IPv4 environment, what information is used by the router to forward data packets from one interface of a router to another? [A] destination network address

[C] source MAC address

[B] source network address

[D] well known port destination address

21. Which email components are used to forward mail between servers? (Choose two.) [A] MDA

[C]

[B] IMAP

[D]

MTA POP

[E]

SMTP

[F]

MUA

22. What are two features of the User Datagram Protocol (UDP)? (Choose two.) [A] flow control

[D]

connection-oriented

[B] low overhead

[E]

sequence and acknowledgements

[C] connectionless 23. What information is added during encapsulation at OSI Layer 3? [A] source and destination MAC

[C]

source and destination port number

[B] source and destination application protocol

[D] source and destination IP address

24. Which is an important characteristic of UDP? [A] acknowledgement of data delivery

[C] high reliability of data delivery

[B] minimal delays in data delivery

[D] same order data delivery

25. In a connectionless system, which of the following is correct? [A] The destination is contacted before a packet is sent. [B] The destination is not contacted before a packet is sent. [C] The destination sends an acknowledgement to the source that indicates the packet was received. [D] The destination sends an acknowledgement to the source that requests the next packet to be sent.

All the best