Which of the following systems would MOST likely be found in a screened subnet?


A. RADIUS
B. FTP
C. SQL
D. LDAP

A store owner would like to have secure wireless access available for both business equipment and patron use.
Which of the following features should be configured to allow different wireless access through the same
equipment?


A. MIMO
B. TKIP
C. LTE
D. SSID

A technician is connecting multiple switches to create a large network for a new office. The switches are
unmanaged Layer 2 switches with multiple connections between each pair. The network is experiencing an
extreme amount of latency. Which of the following is MOST likely occurring?


A. Ethernet collisions
B. A DDoS attack
C. A broadcast storm
D. Routing loops

A technician is writing documentation regarding a company's server farm. The technician needs to confirm the
server name for all Linux servers. Which of the following commands should the technician run?


A. ipconfig
B. nslookup
C. arp
D. route

A network technician needs to ensure outside users are unable to telnet into any of the servers at the
datacenter. Which of the following ports should be blocked when checking firewall configuration?


A. 22
B. 23
C. 80
D. 3389
E. 8080

A network engineer is investigating reports of poor network performance. Upon reviewing a report, the engineer
finds that jitter at the office is greater than 10ms on the only WAN connection available. Which of the following
would be MOST affected by this statistic?


A. A VoIP sales call with a customer
B. An in-office video call with a coworker
C. Routing table from the ISP
D. Firewall CPU processing time

Which of the following ports is commonly used by VoIP phones?


A. 20
B. 143
C. 445
D. 5060

Which of the following connector types would have the MOST flexibility?


A. SFP
B. BNC
C. LC
D. RJ45

A network administrator redesigned the positioning of the APs to create adjacent areas of wireless coverage.
After project validation, some users still report poor connectivity when their devices maintain an association to a
distanced AP. Which of the following should the network administrator check FIRST?


A. Validate the roaming settings on the APs and WLAN clients
B. Verify that the AP antenna type is correct for the new layout
C. Check to see if MU-MIMO was properly activated on the APs
D. Deactivate the 2.4GHz band on the APS

Which of the following TCP ports is used by the Windows OS for file sharing?


A. 53
B. 389
C. 445
D. 1433