Tenants access multiple wireless networks in a building. Users report intermittent connectivity. Which of the following is the MOST likely cause of the problem?
A. The channels are overlapping with other wireless networks and should be changed.
B. The SSIDs are incompatible and should be renamed.
C. The users have incompatible wireless network cards and should upgrade.
D. The default idle period for logoff is too short and should be changed to a longer limit.
Which of the following DNS records would allow for a website to have more than one FQDN?
A. TXT
B. PTR
C. MX
D. CNAME
A small office home office (SOHO) customer is going to be replacing their switch. The customer also wants to add a WAP in a dropped ceiling; however, there are no power outlets above the drop ceiling, but there is a CAT5e network jack. Which of the following technologies should the new switch have to allow this WAP to be placed where the customer requests, without any other major changes to the environment?
A. PoE
B. Layer 3 switching
C. STP
D. VLAN
Which of the following default ports would need to be open on a firewall to allow remote desktop access?
A. 143
B. 443
C. 3389
D. 8080
After plugging a cable into a computer, a user reports there is no network access. Which of the following tools would the technician MOST likely check to verify that the cable was crimped correctly?
A. Punch down tool
B. Cable certifier
C. Loopback plug
D. Toner probe
Which of the following protocols would be used to send email to an email server?
A. NTP
B. FTP
C. SNMP
D. SMTP
Which of the following would Sandy, a technician, find in a network map?
A. QoS standards
B. MDF/IDFs
C. System logs
D. Firewall rules
Which of the following is a purpose of a VLAN?
A. Decreases bandwidth on a network
B. Segments broadcast traffic
C. Increases port speed
D. Allows another connection to the router
A user is unable to print to a network printer. Which of following is the FIRST step that a technician should take to troubleshoot the issue?
A. Identify the problem.
B. Establish a plan of action to resolve the problem.
C. Establish a theory of probable cause.
D. Implement preventative measures.
A network technician is configuring a wireless network. To avoid interference from other wireless networks in the area, the technician should change which setting?
A. Channel
B. SSID
C. Firewall rule
D. Encryption
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