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2021 Dec ccna 100-101 braindumps:

Q21. What is the effect of using the service password-encryption command? 

A. Only the enable password will be encrypted. 

B. Only the enable secret password will be encrypted. 

C. Only passwords configured after the command has been entered will be encrypted. 

D. It will encrypt the secret password and remove the enable secret password from the configuration. 

E. It will encrypt all current and future passwords. 


Q22. Refer to the exhibit. 

A network has been planned as shown. Which three statements accurately describe the areas and devices in the network plan? (Choose three.) 

A. Network Device A is a switch. 

B. Network Device B is a switch. 

C. Network Device A is a hub. 

D. Network Device B is a hub. 

E. Area 1 contains a Layer 2 device. 

F. Area 2 contains a Layer 2 device. 

Answer: ADE 

Q23. Refer to the exhibit. 

If CDP is enabled on all devices and interfaces, which devices will appear in the output of a show cdp neighbors command issued from R2? 

A. R2 and R3 

B. R1 and R3 

C. R3 and S2 

D. R1, S1, S2, and R3 

E. R1, S1, S2, R3, and S3 


Q24. Refer to the exhibit. 

The network administrator made the entries that are shown and then saved the configuration. From a console connection, what password or password sequence is required for the administrator to access privileged mode on Router1? 

A. cisco 

B. sanfran 

C. sanjose 

D. either cisco or sanfran 

E. either cisco or sanjose 

F. sanjose and sanfran 


Q25. On a Cisco switch, which protocol determines if an attached VoIP phone is from Cisco or from another vendor? 






Avant-garde cisco ccna 100-101:

Q26. Refer to the exhibit. 

After the power-on-self test (POST), the system LED of a Cisco 2950 switch turns amber. What is the status of the switch? 

A. The POST was successful. 

B. The switch has a problem with the internal power supply and needs an external power supply to be attached. 

C. POST failed and there is a problem that prevents the operating system from being loaded. 

D. The switch has experienced an internal problem but data can still be forwarded at a slower rate. 

E. The switch passed POST, but all the switch ports are busy. 


Q27. A receiving host has failed to receive all of the segments that it should acknowledge. What 

can the host do to improve the reliability of this communication session? 

A. decrease the window size 

B. use a different source port for the session 

C. decrease the sequence number 

D. obtain a new IP address from the DHCP server 

E. start a new session using UDP 


Q28. Refer to the exhibit. 

The MAC address table is shown in its entirety. The Ethernet frame that is shown arrives at the switch. 

What two operations will the switch perform when it receives this frame? (Choose two.) 

A. The switch will not forward a frame with this destination MAC address. 

B. The MAC address of 0000.00aa.aaaa will be added to the MAC Address Table. 

C. The MAC address of ffff.ffff.ffff will be added to the MAC address table. 

D. The frame will be forwarded out all active switch ports except for port fa0/0. 

E. The frame will be forwarded out fa0/0 and fa0/1 only. 

F. The frame will be forwarded out all the ports on the switch. 

Answer: BD 

Q29. What is the default administrative distance of OSPF? 

A. 90 

B. 100 

C. 110 

D. 120 


Q30. Which two of the following are true regarding the configuration of RouterA? (Choose two.) 

A. At least 5 simultaneous remote connections are possible 

B. Only telnet protocol connections to RouterA are supported 

C. Remote connections to RouterA using telnet will succeed 

D. Console line connections will nevertime out due to inactivity 

E. Since DHCP is not used on Fa0/1 there is not a need to use the NAT protocol 

Answer: AC