COA_Ch12_Exam

The first internetwork provided protocol translations for differing systems using:

• bridges
• routers
• interface message processors
• backbone service providers

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

• data link
• network
• transport
• session

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

• physical and data link
• transport and session
• network and transport
• presentation and application

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

• IEEE
• ITU-T
• ICANN
• IETF

The IPv4 address 136.11.22.116 is a ________ network address

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

The sole purpose of IP is to _______________.

• negotiate frame sizes
• correctly route datagrams across the network
• identification and management of sockets
• manage connections

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

• multicasting
• anycasting
• broadcasting
• netcasting

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

• congestion
• noise
• harmonics
• crosstalk

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

• Manchester coding
• NRZI
• PRML
• Huffman coding

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

• IP address
• NIC address
• LAN address
• MAC address