The XYZ company has two
offices, one in Chicago, and a
brand-new office in Pittsburgh.
To connect the two offices,
they will need a dedicated line,
probably leased from the phone
company. What type of
network will they be
implementing to connect their
two offices?
WAN
Which of the following
is NOT a field in an
Ethernet frame header?
Time-to-Live
You hand a technician a
crossover cable to make a
connection between
devices. Which device pair
are you most likely asking
him to connect?
Switch to switch
When a TCP session begins,
what is the name of the first
segment that is transferred?
SYN
One job that a router performs is
that of gatekeeper, which means
that it can be configured to only
allow certain packets access into
the network is based on a list of
rules. What is the process
called?
Access control
You have started a new business. You
need to have three to four workstations
available for your employees who
simply need to share some files and a
printer, but you don’t have a large
budget. Security is not a major concern,
but costs are. Which network model
would be the most appropriate for your
situation?
Peer-to-peer network
n a token ring network, what is the
central device called?central device called?
Multistation Access
Unit (MAU)
Which type of interference is
caused by wires in the same
cabling bundle?
Crosstalk
An IP address consists of four
octets separated by periods.
Which part of this address
denotes its class?
First octet
What function does the
Logical Link Control sublayer
of the Data Link layer
provide?
Error recovery and flow
control
What command issued
from the command
prompt will show the
route that a packet travels
from the issuing computer
to another computer?
Tracert
What is the most common
topology and technology
combination in use today?
Switched/Ethernet
What is a disadvantage of
using fiber-optic cabling
versus twisted-pair
cabling?
More expensive
terminations
hat is the network ID of the IP
address 172.19.48.16 subnet mask
255.255.240.0?
172.19.48.0
What is the IEEE
standard that governs all
forms of Ethernet media
and interfaces?
802.3
What component of the computer
contains a MAC address?
NIC
The physical topology
that is daisy-chained like
a bus where the cabling is
brought around from the
last device to the first
device?
Physical ring
TCP establishes a
connection with the
destination device using
which process?
Three-way
handshake
Which IP address is a Class C address?
(a) 255.100.149.20
(b)125.88.1.66
(c) 193.19.101.11
(d)177.14.23.19
193.19.101.11
Which layer of the
OSI model is
responsible for
protocol conversion, if
necessary?
Presentation
Which device receives a frame and reads
the source and destination MAC addresses
before forwarding the frame out another
port?
Switch
An Ethernet cable runs across a
warehouse that is 120 meters in
length. The bit signals are so weak
that they cannot be accurately read
by the receiving station. What is the
term for this problem?
Attenuation
hich protocol is used to access a
Windows desktop interface remotely?
RDP
You are the network administrator for a
company that uses a private addressing
scheme for its internal network. You have
300 workstations that regularly access the
Internet. What process must be in
operation on your network to allow all the
workstations to have access to the Internet
using only one public IP address?
PAT
You are working at the help desk, and
you get a message that a user cannot
access the Internet. You open a
command prompt, ping the
workstation’s IP address, and get a
response. You ask the user to try the
Internet again. He does so with the same
result-no connection. Which type of
device is most likely to be the problem?
Network layer device