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1. The early computer networking protocol that provided nearly instantaneous ace

ID: 3694375 • Letter: 1

Question

1. The early computer networking protocol that provided nearly instantaneous acess between client terminals and host computers was:

A) OSI                         B) SNA                                    C) TCP/IP                   D) DARPAnet

2. The first internetwork provided protocol translations for differing systems using:

A) bridges                  B) routers                   C) interface message processors

D) backbone service providers

3. The ISO/OSI layer that organizes message bytes into frames of suitable size for transmission along the physical medium is the ________ layer.

A) data link                 B) network                 C) transport               D) session

4. The ISO/OSI layer responsible for routing PDUs across intermediate nodes is the ________ layer.

A) data link                 B) network                 C) transport                           D) session

5. Upon detecting an error, the ISO/OSI layer that requests retransmission of a PDU is the ________ layer.

A) data link                 B) transport               C) presentation                      D) session

6. The two ISO/OSI layers that do not have a direct correspondence with TCP/IP are the ________ later and the ________ layer.

A) physical and data link      B) transport and session                  C) network and transport

D) presentation and application

7. At gigabit speeds, a 65,535-byte IP datagram passes over a given point in less than ______.

A) 10000ns                 B) 1000ns                   C) 500ns                     D) 1ms

8. The organization that controls the names of host compuers on the Internet is (the) _______

A) IEEE                       B) ITU-T                      C) ICANN                    D) IETF

9. The IPv4 address 233.224.210.15 is a ________ network address.

A) Class A                  B) Class B                  C) Class C                  D) Class D

10. The IPv4 address 136.11.22.116 is a ________ network address.

A) Class A                  B) Class B                  C) Class C                  D) Class D

11. The IPv4 address 64.122.34.252 is a ________ network address.

A) Class A                  B) Class B                  C) Class C                  D) Class D

12. The sole purpose of IP is to _______________.

A) negotiate frame sizes                   B) correctly route datagrams across the network

C) identification and management of sockets                   D) manage connections

13. The theoretical maximum number of hosts under IPv6 is _______________.

A) 232              B) 264                          C) 2128                         D) 2256

14. The transmission mode whereby a single message is placed on the network is to be read by multiple nodes is called:

A) multicasting                      B) anycasting C) broadcasting         D) netcasting

15. A network that covers more than one building that is entirely owned or controlled by the same entity is called a:

A) wide-area network            B) metropolitan-area network          C) local-area network

D) campus network

16. The electrical phenomena that work against the accurate transmission of signals are called _______.

A) congestion            B) noise                      C) harmonics                         D) crosstalk

17. Twisted pair cabling is twisted in order to reduce _________.

A) RFI             B) crosstalk               C) resistance             D) inductance

18. Many networks running at 100Mbps and above encode 4 bits in 5 baud using ______ signaling.

A) Manchester coding          B) NRZI                       C) PRML                     D) Huffman coding

19. The wireless protocol suitable for a piconet is:

A) LEO                        B) Bluetooth                          C) 802.11p                  D) 802.11u

20. The unique physical address burned into every network interface card is its:

A) IP address             B) NIC address                      C) LAN address         D) MAC address

Explanation / Answer

1. c

2. c

3. a

4. b

5 b

6. a

7. b

8. a

9. d

10. b

11. a

12. b

13.  2^128 individual IPv6 addresses, which is 3.40282367 × 10^38 or 340,282,366,920,938,463,463,374,607,431,770,000,000

14. a

15. c

16. a

17. b

18. a

19. b

20. d