CISCO Certification Questions

Q:

You are connecting an access point and it is set to root. What does extended service set ID mean?

A) That you have more than one access point and they are in the same SSID connected by a distribution system B) That you have more than one access point and they are in seperate SSIDs connected by a distribution system
C) That you have multiple access points, but they are placed physically in different buildings D) That you have multiple access points, but one is a repeater access point
 
Answer & Explanation Answer: A) That you have more than one access point and they are in the same SSID connected by a distribution system

Explanation:

Extended service set ID means that you have more than one access point and they all are set to the same SSID and all are connected together in the same VLAN or distribution system so users can roam.

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Q:

You connect a host to a switch port, but the new host cannot log into the server that is plugged into the same switch. What could the problem be?

A) The router is not configured for the new host B) The VTP configuration on the switch is not updated for the new host
C) The host has an invalid MAC address D) The switch port the host is connected to is not configured with the correct VLAN membership
 
Answer & Explanation Answer: D) The switch port the host is connected to is not configured with the correct VLAN membership

Explanation:

This question is a little Vague, but the best answer is that the VLAN membership for the port is not configured

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Q:

Differentiate the DoD and the OSI network models?

Answer

The DoD model is a condensed version of the OSI model, composed of four layers instead of seven, but is nonetheless like the OSI model in that it can be used to describe packet creation and devices and protocols can be mapped to its layers.

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Q:

Which part of a MAC address is called the organizationally unique identifier(OUI)?

A) The first 24 bits, or 3 bytes B) The first 12 bits, or 3 bytes
C) The first 24 bits, or 6 bytes D) The first 32 bits, or 3 bytes
 
Answer & Explanation Answer: A) The first 24 bits, or 3 bytes

Explanation:

The first 24 bits, or 3 bytes, of a MAC address is called the organizationally unique identifier (OUI).

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Q:

What network service is the most likely problem if you can ping a computer by IP address but not by name?

A) DNS B) DHCP
C) ARP D) ICMP
 
Answer & Explanation Answer: A) DNS

Explanation:

 The most likely problem if you can ping a computer by IP address but not by name is a failure of DNS.

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Q:

You need to stop DoS attacks in real time and have a log of anyone who has tried to attack your network. What should you do your network?

A) Add more routers B) Use the auto secure command
C) Implement IDS/IPS D) Configure Naggle
 
Answer & Explanation Answer: C) Implement IDS/IPS

Explanation:

Implementing Intrusion Detection Service and Intrusion prevention Service (IDS/IPS) will help notify you and stop attacks in real time.

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Q:

Users on the 192.168.10.0/24 network must access files located on the Server 1. What route could be configured on router R1 for file requests to reach the server?

A. IP route 0.0.0.0 0.0.0.0 s0/0/0
B. IP route 0.0.0.0 0.0.0.0 209.165.200.226
C. IP route 209.165.200.0 255.255.255.0 192.168.10.250
D. IP route 192.168.10.0 255.255.255.0 209.165.100.250

Answer

Answer : A

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0 3650
Q:

What is the specific term for the unwanted signal interference from adjacent pairs in the cable?

A) EMI B) RFI
C) Crosstalk D) Attenuation
 
Answer & Explanation Answer: C) Crosstalk

Explanation:

The term for the unwanted signal interference from adjacent pairs in the cable is crosstalk

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