Which of the following are unique characteristics of half-duplex Ethernet when comparedto full-duplex Ethernet?

Half-duplex Ethernet operates in a shared collision domain.

Half-duplex Ethernet operates in a private collision domain.

Half-duplex Ethernet has higher effective throughput.

Half-duplex Ethernet operates in a private broadcast domain.

You want to implement an Ethernet network medium that is not influenced by EMI or voltage potential differences between two buildings. Which type of cabling should you use?

Thicknet coax

Thinnet coax

Category 5 UTP cable

Fiber-optic cable

What protocol is used to find the hardware address of a local device?

RARP

ARP

IP

BootP

What is the purpose of flow control?

To ensure that data is retransmitted if an acknowledgment is not received

To reassemble segments in the correct order at the destination device

To provide a means for the receiver to govern the amount of data sent by the sender

To regulate the size of each segment

You want to implement a mechanism that automates the IP configuration, including IPaddress, subnet mask, default gateway, and DNS information. Which protocol will you useto accomplish this?

SMTP

SNMP

DHCP

ARP

What type of RJ45 UTP cable is used between switches?

Straight-through

Crossover cable

Crossover with a CSU/DSU

Crossover with a router in between the two switches

What type of RJ45 UTP cable do you use to connect a PC’s COM port to a router or switchconsole port?

Straight-through

Crossover cable

Crossover with a CSU/DSU

Rolled

Which of the following describe the DHCP Discover message?

It uses FF:FF:FF:FF:FF:EEas a layer 2 broadcast.

It uses UDP as the Transport layer protocol.

It uses TCP as the Transport layer protocol.

It does not use a layer 2 destination address.

Which layer 4 protocol is used for a Telnet connection?

IP

TCP

TCP/IP

UDP

Which statements are true regarding ICMP packets?

They acknowledge receipt of a TCP segment.

They guarantee datagram delivery.

They can provide hosts with information about network problems.

They are encapsulated within UDP datagrams.

Which of the following services use UDP?

DHCP

SMTP

FTP

HTTP

Which of the following are found in a TCP header but not in a UDP header?

Sequence number

Source port

Destination port

Checksum

The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?

Application

Host-to-Host

Internet

Network Access

What layer in the TCP/IP stack is equivalent to the Transport layer of the OSI model?

Application

Host-to-Host

Internet

Network Access