CCNA Practice Questions

CCNA Practice Multiple Choice questions for Recent Graduates and Professionals to help them in their interview preparations.:

Q1. Which of the following is Class C IP address?

A. 10.10.14.118

B. 135.23.112.57

C. 191.200.199.199

D. 204.67.118.54

Correct Answer: D.

Explanation:
IP addresses are written using decimal numbers separated by decimal points. This is called dotted decimal notation of expressing IP addresses.

Q2. You have an IP of 156.233.42.56 with a subnet mask of 7 bits. How many hosts and subnets are possible?

A. 126 hosts and 510 subnets

B. 128 subnets and 512 hosts

C. 510 hosts and 126 subnets

D. 512 subnets and 128 hosts

Correct answer: C

Explanation:

Class B network has the form N.N.H.H, the default subnet mask is 16 bits long.
There is additional 7 bits to the default subnet mask. The total number of bits in subnet are 16+7 = 23.
This leaves us with 32-23 =9 bits for assigning to hosts.
7 bits of subnet mask corresponds to (2^7-2)=128-2 = 126 subnets.
9 bits belonging to host addresses correspond to (2^9-2)=512-2 = 510 hosts.

Q3. Two sub layers of OSI Data Link layer are which of the following? [Select 2].

A. Logical Link Control

B. Data Link Control

C. Media Access Control

D. Physical Layer Control

Correct answer: A,C

Q4. Match the following:

A. Repeaters 1. Data Link Layer

B. Bridges 2. Network Layer

C. Routers 3. Physical Layer

Select the best combination:

A. A —>2, B—>3, C—>1

B. A—>3, B—->1, C—->2

C. A—>3,B—–>2, C—->1

D. A—->1, B—->2, C—->3

Correct answer: B

Q5. Which of the following are session layer standards? [Select 2].

A. NFS

B. SQL

C. JPG

D. MIDI

Correct answer: A,B

Q6. Match the corresponding layers of ISO and DoD models?

DoD Model <———> ISO OSI Model

A. Process/Application 1. Application

B. Host-to-Host 2. Presentation

C. Internet 3. Session

D. Network Access 4. Transport

5. Network

6. Data Link

7. Physical

Choose best choice:

A. A->1+2; B->3+4; C->5; D->6+7

B. A->1+2+3; B->4; C->5; D->6+7

C. A->1+2+3; B->4; C->5+6; D->7

D. A->1+2+3; B->4+5; C->6; D->7

Correct answer: B

Q7. What is the command used to add a banner to a Cisco router configuration?

A. add banner

B. banner motd #

C. motd banner #

D. add banner #

Correct answer: B

Q8. What is the default administrative distance for RIP?

A. 100

B. 120

C. 0

D. 200
Correct answer: B

Q9. The Cisco Catalyst 1900 switches support which three LAN switch types? [Select 3].

A. Store-and-Forward

B. FragmentFree

C. InstaSwitch

D. FastForward

Correct answer: A,B,D

Q10. Which is true regarding VLANs?

A. VLAN technology uses VLAN switches (layer 2) which is a substitute for routing technology which uses routers.

B. A VLAN has same collision domain

C. A VLAN has same broadcast domain

D. VLANs are less secure with respect to simple switch or Hub networks.

Correct answer: C

Q11. Your internet work consists entirely of Cisco devices. You have given a command “show cdp neighbors”. In the response, you get “S” under the head “Capability”. What does the letter “S” mean?

A. It means “Source Route Bridge”

B. It means “Host”

C. It means “Switch”

D. It means “Static”

Correct answer: C

Q12. You want to verify the encapsulation type being used at Data Link layer for interface s0. Which command can you use?

A. Sh ip protocol

B. sh int s0

C. sh ip interface

D. sh processes

Correct answer: B

Q13. You want to run 802.2 frame type on your Ethernet interface. Which encapsulation type has to be chosen?

A. Ethernet_II

B. 802.2

C. SAP

D. SNAP

Answer is C

Q14. What does -1 signify in an extended IPX access list?

A. permit this host

B. deny this host

C. permit only this subnet

D. any host or any network

Correct answer: D

Q15. Which command sequence will allow only traffic from network 185.64.0.0 to enter interface s0?

A. access-list 25 permit 185.64.0.0 255.255.0.0
int s0 ; ip access-list 25 out

B. access-list 25 permit 185.64.0.0 255.255.0.0
int s0 ; ip access-group 25 out

C. access-list 25 permit 185.64.0.0 0.0.255.255
int s0 ; ip access-list 25 in

D. access-list 25 permit 185.64.0.0 0.0.255.255
int s0 ; ip access-group 25 in

Correct answer: D

Q16. Which of the following are reference points relevant to ISDN? [Select 2].

A. T

B. U

C. V

D. X

Correct answer: A,B

Q17. Which is true about VLAN Trunk Protocol? [Select 2].

A. VTP is statically configured and no built in intelligence is available.

B. VTP provides intelligence for configuring switches across the network.

C. VTP is not designed to distribute information across the switch fabric.

D. VTP is designed to distribute information across the switch fabric.

Correct answer: B, D

Q18. Which of the following is a term associated with WAN terminology / is a WAN device? [Select all that apply].

A. Demarc

B. DSU/CSU

C. Modem

D. CPE

Correct answer: A, B, C, D

Q19. Which of the following can be used to view the previous command you entered into a Cisco router? [Select 2].

A. CTRL+F1

B. The Down Arrow

C. The Up Arrow

D. CTRL + P

Correct answer: C, D

Q20. What is true about static VLANs? [Choose the best answer].

A. The VLAN is configured by a TFTP server.

B. It automatically notify a new network user.

C. The administrator assigns VLAN by port.

D. Static VLAN are more appropriate when the switch fabric becomes more complex.

Correct answer: C

More Q & Answers Coming….

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133 Comments

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  79. seshagiri s says:

    hi…
    this second question is correct according to before versions of ios 8.3 and previous versions,by using ip-subnetting zero command.
    In previous versions the formula for subnet is (2^n)-2.
    i.e., 2^7-2=128-2=126.
    But in new versions of ios the formula is 2^n.i.e., 2^7=128.

  80. AMIT KUMAR DANGI says:

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  81. Ramya says:

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  82. The Vick says:

    Question number 2 : both answers are correct , in old routers they subtract 1st and last subnet cause fisrt subnet includes the ip address of whole network and last subnet consists of broadcast address of whole network. But today’s latest routers have a command which runs by default on them ‘ ip subnet zero’
    Which redirects routers that it can take 1st and last subnet. It prevents wastage of ip addresses of 1st and last subnet.

  83. vishwas deep says:

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  84. Dinbandhu Singh says:

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  85. Amitayu says:

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  89. RaviHarariya says:

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  90. Er. Sudhakar Mali says:

    Which of the Link State in Routing Protocols??????
    -Mr.Sudhakar Mali (B.E.Computer)

  91. Prashant says:

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  93. hi,
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  94. jitendera sinha says:

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  95. jitendera sinha says:

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  96. gopal says:

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  98. sheril says:

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  99. shubhanshu chandra says:

    hi,
    these are the awesome questions which are deliberately being asked to any CCNA completed guys bcoz vlans and vtp’s are the most important topics of CCNA .
    so do send some more questions on the above topics which are being asked in the interviews and do send some routing protocols questions

  100. Naveen says:

    It is very valuable questions for CCNA interview… So plz add more quetions

  101. It is very good for ccna interview question so plz add more question so people get more knowledge.

  102. sumit says:

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  103. Kieran says:

    Biran is correct, you do not subtract 2 from the number of subnets, only from the number of hosts per subnet.

  104. These questions are very-very helpful for all IT’s or Networking’ s student. I hope if i prepare all question, then definitly i will got the standard job. THANK YOU..

  105. mahender says:

    These questions are very good for practice.

  106. it is very useful for an basic ccna interview questions &answrs so many interviews asking this type questoins.

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  108. Manas says:

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  109. akash says:

    It is very useful for an interviews please add more Q&A so people get a good knowledge and more practice to prepare for an exam or an interview.

  110. It is very useful for an interviews please add more Q&A so people get a good knowledge and more practice to prepare for an exam or an interview.

  111. ganesh says:

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  112. vikas malik says:

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  113. Neel says:

    Guys tell me one thing how come this girl name suguna came into picture into networking yaarrrrr.

  114. Neel says:

    yes pratush actually this Firangi na ekdum bakwas log hain. i thnk he might have done old Subnetting.

  115. Neel says:

    hey Bloddy Brian your answer s wrong. actually we need to subtract 2 From it. please verify your Subnetting again ok

  116. jaspreet says:

    its gd plz give me more information.

  117. pratush says:

    q 2 is right answer will be 126 subnet and 510 host because 1 st and last subnet will not be used.

  118. suguna says:

    its gud…..pls give more informations….

  119. Sri.... says:

    Hi Mr. Brian Paris

    Thanks for your information for 2nd Question…………….

  120. m.arumugam says:

    Really super . i think it is use for fresher candidate under networking tan u for giving us.pls keeping post the question

  121. Brian Paris says:

    Answer in Q2 is wrong. The correct answer is:

    Class B network has the form N.N.H.H, the default subnet mask is 16 bits long.
    There is additional 7 bits to the default subnet mask. The total number of bits in subnet are 16+7 = 23.
    This leaves us with 32-23 =9 bits for assigning to hosts.
    7 bits of subnet mask corresponds to (2^7)=128 subnets. ( You do NOT subtract 2 from the ammount of subnets)
    9 bits belonging to host addresses correspond to (2^9-2)=512-2 = 510 hosts.

  122. karthick says:

    Hi friends… it very useful for all CCNA students.. and also i want more typical questions about CCNA interview questions.. Thanks and best Regards ..

  123. Nehal Pawar says:

    It is very useful for an interviews please add more Q&A so people get a good knowledge and more practice to prepare for an exam or an interview.I would like to give you ****.

  124. karthi keyan says:

    since answer r given it is very useful for us.

    thank u….

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