Which protocol is a signaling communication protocol used for controlling multimedia communication sessions?

• A. Session initiation protocol
• B. Session modelling protocol
• C. Session maintenance protocol
• D. Resource reservation protocol

When displaying a web page, the application layer uses the _____________

• A. HTTP protocol
• B. FTP Protocol
• C. SMTP Protocol
• D. TCP Protocol

Which of this is not a guided media?

• A. Fiber optical cable
• B. Coaxial cable
• C. Wireless LAN
• D. Copper wire

UTP is commonly used in __________

• A. Dsl
• B. Fttp
• C. HTTP
• D. None of the mentioned

Coaxial cable consists of _______ concentric copper conductors.

• A. 1
• B. 2
• C. 3
• D. 4

Fiber optics posses following properties __________

• A. Immune electromagnetic interference
• B. Very less signal attenuation
• C. Very hard to tap
• D. All of the mentioned

If an Optical Carrier is represented as OC-n, generally the link speed equals(in Mbps) __________

• A. N*39.8
• B. N*51.8
• C. 2n*51.8
• D. None of the mentioned

Terrestrial radio channels are broadly classifed into _____ groups.

• A. 2
• B. 3
• C. 4
• D. 1

Radio channels are attractive medium because __________

• A. Can penetrate walls
• B. Connectivity can be given to mobile user
• C. Can carry signals for long distance
• D. All of the mentioned

Geostationary satellites ___________

• A. Are placed at a fixed point above the earth
• B. Rotate the earth about a fixed axis
• C. Rotate the earth about a varying axis
• D. All of the mentioned