Which of the following utilities would a technician use to determine the location of lost packets on a routed network?
A. ping
B. nslookup
C. route
D. tracert
A network technician is troubleshooting intermittent issues with VoIP call quality. A throughput tester can help assess the functionality of which of the following?
A. LLDP
B. VLAN tagging
C. QoS
D. SIP trunking
Lisa, a user, reports increased delays and timeouts when trying to reach several Internet sites. Which of the following would MOST likely be used when investigating the problem at Lisa's workstation?
A. nslookup
B. route
C. nbtstat
D. arp
An analog POTS voice line is no longer working and Kim, the technician, is tasked to verify if a dial tone is present at the IDF. Which of the following tools would be used?
A. Protocol analyzer
B. Butt set
C. OTDR
D. Toner probe
A network administrator is troubleshooting an intermittent network issue between devices that have a particularly long cable run. The issue was escalated to a network designer who alluded to potential attenuation issues. Which of the following BEST describes what the network designer was referring to?
A. Bad connectors
B. Cross-talk
C. EMI / Interference
D. dB loss
The network optimization process used to allow reasonable use of data, voice, and video on the same network infrastructure is called:
A. CARP
B. QoS
C. Traffic shaping.
D. Fault tolerance.
Which of the following 802.11n features allows for the use of multiple simultaneous frequencies in order to increase usable bandwidth?
A. Channel bonding
B. MIMO
C. Spartial reuse
D. 20MHz channel spacing
Kim, a network administrator, should consult which documentation sources FIRST to determine the cause of recent network issues?
A. Network map
B. Cable management
C. Change management
D. Asset management
Several users from the same building are reporting connectivity issues. The SFP at that building's IDF switch is showing a link light, but there is no link light to the corresponding switch's SFP at the MDF. Which of the following is the MOST likely cause?
A. A crossover cable is being used.
B. DB loss is too high on all strands.
C. Only TX or RX strand is working.
D. TX and RX are reversed.
Which of the following is the correct representation of an IPv6 address?
A. ::
B. 0:0:0:0:0:0:0:0:1
C. 1:2:3:4:AB:CD:EF
D. 2001::4860:800f::
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