A device operating at physical layer is called __________

• A. Router
• B. Equalizer
• C. Bridge
• D. Repeater

Several protocols for upper layers in bluetooth use _________

• A. Udp
• B. Hsp
• C. Itc
• D. L2cap

Protocols are set of rules to govern _________

• A. Communication
• B. Standard
• C. Metropolitan communication
• D. Bandwidth

An internet is a __________

• A. Collection of wans
• B. Network of networks
• C. Collection of lans
• D. Collection of identical lans and wans

Checksum is used in Internet by several protocols although not at the _________

• A. Session layer
• B. Transport layer
• C. Network layer
• D. Data link layer

In version field of IPv4 header, when machine is using some other version of IPv4 then datagram is __________

• A. Discarded
• B. Accepted
• C. Interpreted
• D. Interpreted incorrectly

Network layer at source is responsible for creating a packet from data coming from another ________

• A. Station
• B. Link
• C. Node
• D. Protocol

Header of datagram in IPv4 has _________

• A. 0 to 20 bytes
• B. 20 to 40 bytes
• C. 20 to 60 bytes
• D. 20 to 80 bytes

In IPv4 layer, datagram is of ________

• A. Fixed length
• B. Variable length
• C. Global length
• D. Zero length

In IPv4, service type of service in header field, first 3 bits are called ______

• A. Type of service
• B. Code bits
• C. Sync bits
• D. Precedence bits