Deck 3: Telecommunications and Network Security

Question 1

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

Answer 1

False

Question 2

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

Answer 2

True

Question 3

The contention method used in Ethernet is called Token passing.

Answer 3

False

Question 4

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

Question 5

802.11g operates at a maximum of 11 Mbps.

Question 6

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

Question 7

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

Question 8

The port number for HTTP is 88.

Question 9

100Base-FX is a fiber standard.

Question 10

Application level proxies have the least impact on performance.

Question 11

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

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

Question 12

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

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

Question 13

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

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

Question 14

What is the contention method used with 802.11?

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

Question 15

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

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

Question 16

How many channels are contained in a T1?

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

Question 17

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

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

Question 18

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

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

Question 19

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

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