Cisco Certified Network Associate Quiz 1

Fig 1: Cisco Certified Network Associate Quiz 1

NOTE: You are required to answer the following questions by yourself.

Q1: Identify the class of the IP address: 4.5.6.7

A)     class A    

B)   class B     

C)   class C

D)   none of the above

Q2: Identify the class of the IP address 10101100 00010000 00000001 00000001.

A)   class A   

B)  class B 

C)  class C

D)  none of the above

Q3: IP addresses that are used for multicasting, belongs to:

A)     class A 

B)   class D 

C)   class E

D) F

Q4: Identify the class of the following IP address: 198.1.2.3.

A)     class A            

B) class B                     

C) class C                     

D) none of the above

Q5: If the starting bits of an IP address are 110, it belongs to:

A)     class A             

B) class B                     

C) class C                     

D) class D

Q6: The number of Network bits used in class A network are:

A)     16                    

B) 8                  

C) 24                

D) 32

Q7: The number of Host bits used in class B network are:

A)     16                    

B) 8                  

C) 24                

D) 32

Q8: The bit pattern  11111111000000000000000000000000 represents the subnet mask of :

A)     class A             

B) class B                     

C) class C                     

D) class D

Q9: The bits 10101010 represents __128+32+8+2=170__ in decimal.

Q10: In IPv4 an address consists of ___32___ bits.

Q11: To identify the class of an IP address, the range of Class D in decimal is _224 – 239 _

Q12: In IPv4 an address consists of Network bits and ___Host___ bits.

Q13: The subnet mask for class B is ____255.255.0.0_____

Q14: The sign “>” represents the ____User/Line____ mode.

Q15: The “Show” command is used in _____Enable______ mode.

Q16: The mode “Router(config-if)#” represents which of the following ?

1. Line mode            
2. User mode           
3. Interface mode           
4. None of the above

Q17: In what modes can you execute the command “show ip interface brief” ?

       a. User mode           

       b. Enable mode        

       c. Setup mode             

       d. Interface mode

Q18: What type of Router memory is used to store the configuration used by the Router when

it is up and working?

       a. RAM              

       b. ROM                

       c. Flash                  

       d. NVRAM               

       e. Bubble 

Q19: What command copies the configuration from RAM into NVRAM?

       a. copy running-config tftp

       b. copy startup-config running-config

       c. copy running-config startup-config

       d. None of the above

Q20: If encapsulation mismatch occurs on serial interfaces of two Routers, which of the status would be shown when using “show ip interface brief” command?

     a. Up/Up             

     b. Up/Down            

     c. Down/Down          

     d. Admin down/down

Q21: The keyboard shortcut “Ctrl + A” moves the CLI cursor to:

a. the beginning of the line

b. the end of the line

c. One step back

d. the middle of the line 

Q22: What is the default encapsulation on Serial interfaces of Cisco Router ?

1. PPP                     
2. HDLC                  
3. Frame Relay                
4. None of the above 

Q23: Which of the following commands is used to bring an interface down administratively?

1. Down
2. Administrative down
3. Shutdown
4. No shutdown

Q24: Convert from decimal IP address to binary format:

   192.168.10.15 

   11000000.10101000.00001010.00001111

   172.16.20.55

   10101100.00010000.00010100.00110111

   10.11.12.99

   00001010.00001011.00001100.01100011

Q25: Convert the following from binary format to decimal IP address.

   11001100 00110011 10101010 01010101

   204.51.170.85

   11000110.11010011.00111001.11010001 

   198.211.57.209

   10000100.11010010.10111000.10100110 

   132.210.184.166