COA_Ch12_Pretest

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

• OSI
• SNA
• TCP/IP
• DARPAnet

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

• data link
• network
• transport
• session

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

• data link
• transport
• presentation
• session

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

• 10000ns
• 1000ns
• 500ns
• 1ms

The IPv4 address 233.224.210.15 is a ________ network address.

• Class A
• Class B
• Class C
• Class D

The IPv4 address 64.122.34.252 is a ________ network address.

• Class A
• Class B
• Class C
• Class D

The theoretical maximum number of hosts under IPv6 is _______________.

• 2^32
• 2^64
• 2^128
• 2^256

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

• wide-area network
• metropolitan-area network
• local-area network
• campus network

Twisted pair cabling is twisted in order to reduce _________.

• RFI
• crosstalk
• resistance
• inductance

The wireless protocol suitable for a piconet is:

• LEO
• Bluetooth
• 802.11p
• 802.11u