Question 1

At which layer of the OSI model does the encapsulation process begin?

Accepted Answer

A)   Application
B)   Transport
C)   Session
D)   Network A

Question 2

Which attack takes advantage of the TCP three-way handshake?

Accepted Answer

A)   Smurf
B)   SYN ACK attack
C)   Fraggle
D)   Teardrop B

Question 3

How many channels are contained in a T1?

Accepted Answer

A)   3
B)   8
C)   16
D)   24 D

Question 4

What is the contention method used with 802.11?

Accepted Answer

A)   Token passing
B)   CSMA/CD
C)   Polling
D)   CSMA/CA

Question 5

Which of the following represents the range of well-known port numbers?

Accepted Answer

A)   0-1023
B)   1024-49151
C)   2500-3500
D)   49152-65535

Question 6

The contention method used in Ethernet is called Token passing.

Accepted Answer

A) True 
 B)False

Question 7

A Metropolitan-area network (MAN) is a type of LAN that encompasses a large area such as the downtown of a city.

Accepted Answer

A) True 
 B)False

Question 8

Application level proxies have the least impact on performance.

Accepted Answer

A) True 
 B)False

Question 9

100Base-FX is a fiber standard.

Accepted Answer

A) True 
 B)False

Question 10

To deploy DNSSEC, a Public Key Infrastructure (PKI) must be built.

Accepted Answer

A) True 
 B)False

Question 11

Wired Equivalent Privacy (WEP) was the first security measure used with 802.11.

Accepted Answer

A) True 
 B)False

Question 12

Layer 2 of the OSI model is called the transport layer.

Accepted Answer

A) True 
 B)False

Question 13

The IP address 192.168.5.5 is a private IP address according to RFC 1918.

Accepted Answer

A) True 
 B)False

Question 14

The port number for HTTP is 88.

Accepted Answer

A) True 
 B)False

Question 15

________________is the weakening of the signal as it travels down the cable and meets resistance.

Accepted Answer

A)   Crosstalk
B)   Attenuation
C)   Noise
D)   EMI

Question 16

What role does the access point play when using a RADIUS server?

Accepted Answer

A)   Authenticator
B)   Authentication server
C)   Supplicant
D)   Relay

Question 17

802.11g operates at a maximum of 11 Mbps.

Accepted Answer

A) True 
 B)False

Question 18

Which cable type uses a source of light that shoots down an inner glass or plastic core?

Accepted Answer

A)   Coaxial
B)   UTP
C)   STP
D)   Fiber optic

Question 19

Distance vector routing protocols use which of the following as its metric?

Accepted Answer

A)   Hop count
B)   Cost
C)   Bandwidth
D)   Delay

Exam 3: Telecommunications and Network Security

At which layer of the OSI model does the encapsulation process begin?

Which attack takes advantage of the TCP three-way handshake?

How many channels are contained in a T1?

What is the contention method used with 802.11?

Which of the following represents the range of well-known port numbers?

The contention method used in Ethernet is called Token passing.

A Metropolitan-area network (MAN) is a type of LAN that encompasses a large area such as the downtown of a city.

Application level proxies have the least impact on performance.

100Base-FX is a fiber standard.

To deploy DNSSEC, a Public Key Infrastructure (PKI) must be built.

Wired Equivalent Privacy (WEP) was the first security measure used with 802.11.

Layer 2 of the OSI model is called the transport layer.

The IP address 192.168.5.5 is a private IP address according to RFC 1918.

The port number for HTTP is 88.

________________is the weakening of the signal as it travels down the cable and meets resistance.

What role does the access point play when using a RADIUS server?

802.11g operates at a maximum of 11 Mbps.

Which cable type uses a source of light that shoots down an inner glass or plastic core?

Distance vector routing protocols use which of the following as its metric?