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
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