Q:

Which of the following is an industry-wide standards suite of protocols and algorithms that allows for secure data transmission over an IP-based network that functions at the layer3 Network layer of the OSI model?

A) HDLC B) xDSL
C) VPN D) IPSec
 
Answer & Explanation Answer: D) IPSec

Explanation:

IPSec is an industry-wide standard suite of protocols and algorithms that allows for secure data transmission over an IP-based network that functions at the layer3 Network layer of the OSI model.

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4 6050
Q:

What is the most common attack on a network today?

A) Lock picking B) Naggle
C) DoS D) auto secure
 
Answer & Explanation Answer: C) DoS

Explanation:

The most common attack on a network today is a denial of service (DoS) because they are the easiest attack to achieve.

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0 6015
Q:

By default , what type of trust are all Windows 2000 trust relationships within a domain tree or forest?

A) Explicit trust B) One-way trust
C) Transitive trust D) Non-transitive trust
 
Answer & Explanation Answer: C) Transitive trust

Explanation:

By default, all Windows 2000 trusts within a domain tree or forest are transitive trusts.

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5 5889
Q:

What multicast addresses does RIPng use?

A) FF02::A B) FF02::9
C) FF02::5 D) FF02::6
 
Answer & Explanation Answer: B) FF02::9

Explanation:

RIPng uses the multicast IPv6 address of FF02::9. If you remember the multicast addresses for IPv4, the numbers at the end of each IPv6 address are the same.

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0 5832
Q:

When a ping to the local host IP address fails, what can you assume?

A) The IP address of the local host is incorrect B) The IP address of the remote host is incorrect
C) The NIC is not functional D) The IP stack has failed to initialize
 
Answer & Explanation Answer: C) The NIC is not functional

Explanation:

When a ping to the local host IP address fails, you can assume the NIC is not functional.

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1 5804
Q:

You have a Class B network and need 29 subnets. What is your mask?

Answer

A default Class B is 255.255.0.0. A Class B 255.255.255.0 mask is 256 subnets, each with 254 hosts. We need fewer subnets. If we used 255.255.240. 0, this provides 16 subnets. Let's add one more subnet bit. 255.255.248.0. This is 5 bits of subnetting, which provides 32 subnets. This is our best answer A/21

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7 5660
Q:

Which layer chooses and determines the availability of communicating partners along with the resources necessary to make the connection, coordinates partnering applications, and forms a consensus on procedures for controlling data integrity and error recovery?

Answer

The application layer is responsible for finding the network resources broadcast from a server and adding flow control and error control (if the application developer chooses)

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1 5627
Q:

What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?

A) Straight - through B) Crossover cable
C) Crossover with a CSU/DSU D) Rolled
 
Answer & Explanation Answer: D) Rolled

Explanation:

To connect to a router or switch console port, you would use an RJ45 UTP rolled cable.

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