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?