Unit 3 mobile

1. Several protocols for upper layers in Bluetooth use _________

• a) UDP

• b) HSP

• c) ITC

• d) L2CAP

2. Protocols are set of rules to govern ______

• a) Communication

• b) Standard

• c) Metropolitan communication

• d) Bandwidth

3,An internet is a ______

• a) Collection of WANS

• b) Network of networks

• c) Collection of LANS

• d) Collection of identical LANS and WANS

4. 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

5. 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

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

• a) Station

• b) Link

• c) Node

• d) Protocol

7.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

8. In IPv4 layer, datagram is of ________

• a) Fixed length

• b) Variable length

• c) Global length

• d) Zero length

9. 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

10. Which is a link layer protocol?

• a) ARP

• b) TCP

• c) UDP

• d) HTTP