CCNA Fresher Basic Interview Questions with Answer

CCNA Fresher Basic Interview Questions with Answer

1: What cable is used to connect router with computer?

Answer: console cable.

2: Which password you will enter when escalating from user mode to privilege mode?

  1. Enable password
  2. Enable secret
  3. telnet password
  4. name of the above

Answer

  1. Enable secret

3: How to configure Telnet on Cisco router?

Answer

 Router (config)#line vty 0 4

Router (config-line)#password Cisco

Router (config-line)#login local

When Cisco is password and can be anything.

4: What does it means by “0 4” with vty in command “line vty 0 4”?

Answer:

It means we can have maximum 5 concurrent session.

This question almost asked in every interview for 0-4 years experienced candidate.

Almost 2-3 questions are asked in CCNA certifications also.

5: Which command reveals the last method used to power cycle a router?

Answer

Router#Show Version

6: Which parameter can be tuned to affect the selection of a static route as a backup, when a dynamic protocol is also being used?

Answer

Administrative Distance (AD Value)

7: Assuming the default Switch configuration, which VLAN range can be added modified, and removed on a Cisco Switch?

Answer

2- 1001

8: On which Switch interface would an administrator configure an IP address so that the Switch can be managed remotely?

Answer

VLAN 1

9: Which port is used Telnet and SSH?

Answer

Telnet: port number :23

SSH: port number: 22

10: What cable type is used between switch and PC?

Answer

Straight Cable

11: Which features automatically detect cable type in modern switches?

Answer

Auto MDI/MDI-X (Media dependent interface)

12: What is the use of SMB port?

Answer

SMB port (TCP port number 445) is used for file sharing

13: Which FHRP protocol is Cisco proprietary?

Answer

Hot Standby Routing Protocol (HSRP)

14: How is bandwidth to a destination network calculated by EIGRP?

Answer

The lowest configured bandwidth of any interface along the route.

Explanation:

Here bandwidth for metric calculation is lowest bandwidth i.e. 128 kbps

15: What is different between telnet and SSH?

Answer

Telnet: All data including username and password is in CLEAR TEXT.

SSH: All data including username and password is ENCRYPTED.

16: Tell me the command to show the active Telnet connections?

Answer

Router#show session

17: How bridge id is calculated in STP?

Answer

Priority+MAC-Address

18: What term is used to express the thickness or height of a Switch?

Answer

Rack Unit

19: Which routing protocol is used on internet?

Answer

Border Gateway Protocol (BGP)

20: Tell me the name of OSI Layers.

Answer

Physical Layer

Datalink Layer

Network Layer

Transport Layer

Session Layer

Presentation Layer

Application Layer

21: At which Layer of the OSI model error is detected?

Answer

Layer 2 (Data Link Layer)

22: At which Layer of the OSI model does TCP operate?

Answer

Layer 4 (Transport Layer)

23: What action does a Switch take if the destination MAC address is unknown?

Answer

Floods the frames to all ports except the originating port.

24: Which three STP states were replaced with the RSTP discarding state?

Answer

Disabled

Blocking

Listening

Explanation

STP port states (802.1D)

Disabled

Blocking

Listening

Learning

Forwarding

RSTP Port States (208.1w)

Discarding

Learning

Forwarding

25: Which type of OSPF router connects an OSPF area to non-OSPF routing domains?

Answer

ASBR

26: What eliminates Switching Loops?

Answer

Spanning Tree Protocol

27: What is the default hello time of BPDU?

Answer

2 seconds

28: What is the AD value of OSPF BGP?

Answer

OSPF: AD Value is 110

BGP: iBGP: AD Value 200

eBGP: AD Value 20

29: What is difference between OSPF and BGP?

Answer

OSPF is an internal gateway routing protocol used within same Autonomous System (AS).

BGP is an exterior gateway routing protocol used between more than one AS.

 

 

One thought on “CCNA Fresher Basic Interview Questions with Answer”

Leave a Reply

Your email address will not be published. Required fields are marked *