Messer Pop Quiz / Study Group

Question 1

A network admin has chosen to use APC connectors instead of UPC connectors. Which of the following would be the MOST likely reason for this decision?
A. Minimize crosstalk
B. Limit throughput
C. Lower the return loss
D. Block malicious traffic
E. Filter EMI

Answer 1

C. Lower the return loss

Question 2

An Internet provider has installed a new circuit and provided the network team with an RJ11 connector. Shat type of network is running over this circuit?
A. Ethernet
B. DS3
C. RS-232
D. DOCSIS
E. DSL

Answer 2

E. DSL

Question 3

Which of these would BEST describe the location of a CSU/DSU?
A. Between a fiber network and a copper network
B. A t the power supply of a router
C. Between a WAN and the wired network
D. Between a router and the WAN circuit
E. At the extension between two networks

Answer 3

D. Between a router and the WAN circuit

Question 4

Which of the following would be the BEST choice for an ethernet connection that are 2 km apart?
A. 1000BASE-SX
B. 100BASE-T
C. 1000BASE-LX
D. 10GBASE-T
E. 1000BASE-TX

Answer 4

C. 1000BASE-LX

Question 5

An IT manager would like to estimate the amount of time before a core switch becomes unavailable. Which of the following would describe this timeframe?
A. MTBF
B. SLA
C. MTTR
D. EULA
E. SMART

Answer 5

A. MTBF

Question 6

A user in the accounting department uses a phone app to generate a random number during the login process. What factor of authentication is in use?
A. Somewhere you are
B. Something you know
C. Something you do
D. something you have
E. Something you are

Answer 6

D. something you have

Question 7

A server admin has replaced a web server and would like to verify that the new server is accepting server requests. Which of the following would be the BEST way to provide this verification.
A. Nmap
B. pathping
C. iptables
D. netstat
E. traceroute

Answer 7

D. netstat

Question 8

Which of these wireless standards is associated with MU-MIMO?
A. 802.11a
B. 802.11b
C. 802.11g
D. 802.11n
E. 802.11ac

Answer 8

E. 802.11ac

Question 9

A network admin is using an RJ45 cable that has wires connected on pins 1, 2, 3, and 6, and no wires connected on the other pins. Which of the following would be the MOST likely use of this cable?
A) Gigabit uplink from a server
B) Serial connection to a console port
C) Connection between a dmarc and a CSU/DSU
D Fast Ethernet connection for a WAP
E) Ethernet over HDMI

Answer 9

D Fast Ethernet connection for a WAP