CompTIA Network+ (N10-008) Quiz

A technician is troubleshooting a wireless connectivity issue in a small office located in a high-rise building. Several APs are mounted in this office. The users report that the network connections frequently disconnect and reconnect throughout the day. Which of the following is the MOST likely cause of this issue?

• The RSSI is misreported

• Channel overlap is occurring

• EIRP needs to be boosted

• The AP association time is set too low

A network engineer configured new firewalls with the correct configuration to be deployed to each remote branch. Unneeded services were disabled, and all firewall rules were applied successfully. Which of the following should the network engineer perform NEXT to ensure all the firewalls are hardened successfully?

• Use the same complex passwords on all firewalls

• Update the firewalls with current firmware and software

• Configure the log settings on the firewalls to the central syslog server

• Ensure an implicit permit rule is enabled

At which of the following OSI model layers would a technician find an IP header?

• Layer 3

• Layer 2

• Layer 4

• Layer 1

An engineer is configuring redundant network links between switches. Which of the following should the engineer enable to prevent network stability issues?

• CSMA/CD

• STP

• 802.1Q

• Flow control

Several WIFI users are reporting the inability to connect to the network. WLAN users on the guest network are able to access all network resources without any performance issues. Which of the following should a wireless technician do NEXT to troubleshoot this issue?

• Update the SSIDs on all the APs

• Replace the omni antennas with directional antennas

• Decrease power in AP 3 and AP 4

• Reconfigure the channels to reduce overlap

Which of the following routing protocols is used to exchange route information between public autonomous systems?

• OSPF

• BGP

• EIGRP

• RIP

A fiber link connecting two campus networks is broken. Which of the following tools should an engineer use to detect the exact break point of the fiber link?

• Tone generator

• Fusion splicer

• OTDR

• Cable tester

A network technician is installing new software on a Windows-based server in a different geographical location. Which of the following would be BEST for the technician to use to perform this task?

• DNS

• FTP

• SSH

• RDP

Branch users are experiencing issues with videoconferencing. Which of the following will the company MOST likely configure to improve performance for these applications?

• Link Aggregation Control Protocol

• Quality of service

• Network load balancer

• Dynamic routing

A technician is assisting a user who cannot connect to a network resource. The technician first checks for a link light. According to troubleshooting methodology, this is an example of:

• questioning the obvious.

• documenting a finding.

• establishing a plan of action.

• using a bottom-to-top approach.