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NO.1 A technician has traced a POTS line to a 110 block. Which of the following
devices would the
technician MOST likely use to see if the line carries a
dial tone?
A. Toner Probe
B. Punch Down Tool
C. Protocol Analyzer
D.
Butt Set
Answer: D
NO.2 A technician is troubleshooting a printing
issue where some users in an office are unable to
print. Which of the
following should be the FIRST step in troubleshooting this issue?
A. Reboot
each of the workstations
B. Ask users if anything changed in their
environment recently
C. Advise users to move to a different office
D.
Power cycle the printer
Answer: B
NO.3 An administrator notices that a
computer on the network is unable to reach any of the servers
by hostname.
The computer has connectivity to the network and is able to ping all the devices
by IP
address. Which of the following can cause the error?
A. The
workstation has a duplicate IP address.
B. The workstation has been assigned
to the wrong VLAN.
C. The workstation has the wrong gateway configured.
D.
The workstation has the wrong DNS configured.
Answer: D
NO.4 A user
authenticated to more than one website using their same credentials is an
example of:
A. Multifactor authentication
B. User access control
C.
Two-factor authentication
D. Single sign-on
Answer: D
NO.5 Which of
the following is the unit used to transfer information at Layer 2 of the OSI
model?
A. Packet
B. Socket
C. Session
D. Frame
Answer:
D
NO.6 Which of the following uses port 23 by default?
A. TELNET
B.
IMAP
C. FTP
D. SNMP
Answer: A
Explanation:
Telnet is a network
protocol used on the Internet or local area networks to provide a
bidirectional
interactive text-oriented communication facility using a
virtual terminal connection. User data is
interspersed in-band with Telnet
control information in an 8-bit byte oriented data connection over
the
Transmission Control Protocol (TCP).
NO.7 Which of the following
properties of DHCP would a technician use to ensure an IP address is
not
leased out from the active scope?
A. Reservations
B. Lease times
C.
Removing IPs from the active leases
D. Configuring the DNS options
Answer:
A
Explanation:
Reservations are permanent lease assignments that are used
to ensure that a specified client on a
subnet can always use the same IP
address. You can use DHCP reservations for hosts that require a
consistent IP
address, but do not need to be statically configured.
NO.8 Which of the
following network topologies describes a network where each node is
connected
to multiple devices?
A. Mesh
B. Bus
C. Star
D.
Ring
Answer: A