UNIT II MOBILE NETWORK LAYER

Which protocol support mobility for the network layer

• TCP
• IP
• Mobile IP
• UDP

GSM stands for

• global system for mobile communication
• General standard for mobile
• global standard for mobile communication
• none of these

DHCP works in which layer of OSI model

• Session
• network
• Datalink
• transport

Identify the class of ip 129.13.42.99

• A
• B
• C
• D

DNS stands for

• dynamic name space
• domain name space
• domain name system
• dynamic name system

Compatibility is requirement for mobile ip

• true
• false

foreign agent (FA) is a router

• true
• false

registration of mobile node is done through

• TCP
• IP
• Mobile IP
• UDP

UDP destination port is set to

• 404
• 80
• 434
• 100

UDP is used for request/reply because of

• low overheads
• better performance
• both
• none of these