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 CCENT Questions

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Q:

What port number is used for FTP control?

A) 20 B) 21
C) 22 D) 25
 
Answer & Explanation Answer: B) 21

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Q:

What type of cable is shown in the exhibit?

imageview

A) AEIA/TIA-232 B) EIA-530
C) X.21 D) V.35
 
Answer & Explanation Answer: D) V.35

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Q:

What port number is used for DHCP?

A) 67 B) 68
C) 69 D) Both A and B
 
Answer & Explanation Answer: D) Both A and B

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Q:

Some colleagues are discussing QoS, and are interested in jitter. What is jitter?

A) Jitter refers to the variation in delay experienced by packets B) Jitter is a flickering effect sometimes seen on streaming video.
C) Jitter is a predefined settings package that provides optimal QoS for IP telephony use. D) Jitter is a clicking noise that can be heard on some VoIP calls. It is caused by loss of UDP packets.
 
Answer & Explanation Answer: A) Jitter refers to the variation in delay experienced by packets

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Q:

What do you use when you want to display a message to all the terminals connected to a router?

A) banner login B) banner motd
C) banner exec D) banner slip-ppp
 
Answer & Explanation Answer: B) banner motd

Explanation:

Explanation: This MOTD banner is displayed to all terminals connected and is useful for sending messages that affect all users (such as impending system shutdowns). Use the no exec-banner or no motd-banner command to disable the MOTD banner on a line. The no exec-banner command also disables the EXEC banner on the line. When a user connects to the router, the MOTD banner appears before the login prompt. After the user logs in to the router, the EXEC banner or incoming banner will be displayed, depending on the type of connection. For a reverse Telnet login, the incoming banner will be displayed. For all other connections, the router will display the EXEC banner. Connection, Menu, and System Banner Commands

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Q:

Which layer of the OSI model is associated with LAN switches?

A) The Transport layer. B) The Physical layer.
C) The Network layer. D) The Data Link layer.
 
Answer & Explanation Answer: D) The Data Link layer.

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Q:

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You are the administrator of network X. You decided to implement RIP in the following topology (click exhibit). You do not want R3 to receive RIP updates. What configuration changes need to be implemented?

A) Implement a passive-interface on R1 B) Nothing needs to be configured
C) Create a sub-interface on R1 D) Change the routing protocol to OSPF
 
Answer & Explanation Answer: A) Implement a passive-interface on R1

Explanation:

Explanation: To block RIP broadcasts on an interface connected to a subnet of a RIP-enabled network add the passive-interface command to the RIP Process

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Q:

Which process ensures that the components of the computer are connected properly ?

A) Booting B) Saving
C) Processing D) Editing
 
Answer & Explanation Answer: A) Booting

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