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CCNA Interview Questions
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Classful routing protocols do not include subnet masks in their routing updates. Which of the following routing protocols are considered classful? A.) EIGRP B.) OSPF C.) TCP D.) IGRP E.) RIP F.) IP

2 5002

What is the standard ISDN term for a native ISDN telephone? A.) ET B.) TE1 C.) TE2 D.) LE E.) TA

1 2749

PICT & JPEG are examples of what layer in the OSI seven layer model? A.) Transport B.) Presentation C.) Application D.) Datalink E.) Network F.) Session

1 7014

Which of the following is an example of the Session Layer? A.) TCP B.) SQL C.) IP D.) X-Windows E.) Token Ring F.) LLC

2 3148

Which global configuration command will tell the router to load the IOS file 'IOS_filename' from the Network File server at during the next boot? A.) boot system flash IOS_filename B.) boot system tftp IOS_filename C.) config-register 0x0 D.) boot system rom E.) This can not be done, only the first file in flash can be used.

1 3175

At what layer of the OSI reference model does FRAME-RELAY map to? A.) Session B.) Physical C.) Network D.) Presentation E.) Transport F.) Datalink

2 8502

X.25 is characterized by layer 2 identifiers, and what else? A.) Virtual Lan's B.) Session Layer C.) Transport Layer D.) Routing Updates E.) PVC's

1 2797

Which of the following is an example of the Network Layer? A.) Token Ring B.) RARP C.) LLC D.) DDP E.) TCP

1 2722

What is an advantage of LAN segmentation? A.) Increases broadcasts. B.) Increases collisions. C.) Provides more protocol support. D.) Decreases broadcasts. E.) Routing protocol support.


2 6358

What does the User Datagram Protocol (UDP) provide? A.) Connectionless datagram service. B.) FECN & BECN C.) Flow control and error checking. D.) Name resolution. E.) Path discovery.

1 4469

Which OSI Reference Layer is concerned with logical addressing? A.) Network B.) Transport C.) Datalink D.) Physical E.) Session

1 2836

What layer can optionally support reliability? A.) Transport B.) IP C.) Physical D.) Network E.) Sub-physical layer

2 3838

Which of the following is an example of the Datalink Layer? A.) LLC B.) TCP C.) SQL D.) IPX E.) Token Ring F.) MAC

2 2914

What is the last step in data encapsulation? A.) User information is converted into data. B.) Segments are converted into datagrams and packets. C.) Frames are put into bits. D.) Data is converted into segments. E.) Packets are put into logical frame.

2 8580

Which switching technology can reduce the size of a broadcast domain? A.) Cut-Through B.) Store-and-Forward C.) Spanning Tree Protocol D.) RARP E.) ARP F.) VLAN

2 13206

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Un-Answered Questions { CCNA }

what are the different asymmetric algorithms?


Give some benefits of LAN switching.


What is the maximum request timer?


What is loop back ip in ipv6?


Which way of communication bus topology use?


Which cable we connect in db-9?


What is difference between flsm and vlsm?


What is 10base2 ethernet lans?


In which ios version 182 people can access router through telenet?


Define network congestion?


Explain the difference between half-duplex and full-duplex?


Why mac address called physical address?


What is the main advantage of using switches?


What is the purpose of a data link?


Does a bridge divides a network into smaller segments?