Network Security and Server Configuration Quiz

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What would be the BEST to use to detect a MAC spoofing attack?

Reverse Address Resolution Protocol

Which tool should the technician use to troubleshoot interference from other networks and non-802.11 devices?

Spectrum analyzer

What is the MOST likely cause of intermittent internet connectivity for wireless users?

Verify the session time-out configuration on the captive portal settings

What should the network administrator do to ensure constant internet connectivity for wireless users?

<p>Optimize channel selection and reduce interference</p> Signup and view all the answers

What is the focus of the practice questions related to Disaster Recovery as a Service (DRaaS)?

<p>Addressing the considerations and challenges of implementing DRaaS</p> Signup and view all the answers

What is the primary consideration for evaluating a firewall to protect a datacenter's east-west traffic?

<p>Integration with external threat intelligence sources</p> Signup and view all the answers

What is the main purpose of prioritizing Internet usage per application and per user on the network?

<p>To optimize network bandwidth allocation</p> Signup and view all the answers

What is the purpose of using commands to query NSs for a remote application?

<p>To troubleshoot DNS resolution issues</p> Signup and view all the answers

In what context is reviewing previous upgrades to a system explained?

<p>Assessing the impact of upgrades on system security</p> Signup and view all the answers

What is detailed in gathering metrics from a new switch model for network monitoring software?

<p>Measuring packet loss and latency on switch ports</p> Signup and view all the answers

How can a network administrator prevent a tailgating attack?

<p>Direct the unknown person to the security desk in a datacenter</p> Signup and view all the answers

Where are CRC errors during network communication typically troubleshooted?

<p>Layer 2 of the OSI model</p> Signup and view all the answers

How can a network administrator accurately assess a performance issue affecting 100 users on VMs?

<p>By monitoring CPU usage and memory metrics</p> Signup and view all the answers

How can DHCP exhaustion be resolved without creating a new pool?

<p>By reducing the lease time</p> Signup and view all the answers

What is likely to be used to log IPv6 and MAC addresses of devices on a network segment?

<p>Neighbor Discovery Protocol</p> Signup and view all the answers

How does a CNAME DNS record function?

<p>As an alias to another record</p> Signup and view all the answers

What should a network administrator correct to resolve access issues to an intranet site in a new building connected via fiber-optic cable?

<p>DNS server entries in the DHCP scope</p> Signup and view all the answers

What is the most likely cause of a fiber connection issue in a datacenter?

<p>A reversed TX/RX connection</p> Signup and view all the answers

How can a technician locate a device's network port?

<p>Reviewing the MAC table on the switch</p> Signup and view all the answers

What does NIC teaming provide on a file server to ensure connectivity in case of a port failure on a switch?

<p>Redundancy</p> Signup and view all the answers

What should a network technician inquire about when addressing user access issues to network resources after office changes?

<p>What changes were made in the office</p> Signup and view all the answers

What should be used to allow the use of the original Cat 6 cable when rebuilding it for a crossover connection?

<p>MDIX (Media Dependent Interface Crossover)</p> Signup and view all the answers

What should a network engineer perform NEXT to ensure all the firewalls are hardened successfully?

<p>Update the firewalls with current firmware and software</p> Signup and view all the answers

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

<p>Layer 3</p> Signup and view all the answers

Which of the following should a wireless technician do NEXT to troubleshoot the inability of several WIFI users to connect to the network?

<p>Reconfigure the channels to reduce overlap</p> Signup and view all the answers

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

<p>BGP</p> Signup and view all the answers

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

<p>OTDR</p> Signup and view all the answers

Which of the following can be used to centrally manage credentials for various types of administrative privileges on configured network devices?

<p>TACACS+</p> Signup and view all the answers

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?

<p>FTP</p> Signup and view all the answers

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:

<p>questioning the obvious.</p> Signup and view all the answers

What is the recommended subnet mask for the network block 192.168.0.0/20?

<p>255.255.240.0</p> Signup and view all the answers

What is the largest MTU (Maximum Transmission Unit) for a standard Ethernet frame?

<p>1500 bytes</p> Signup and view all the answers

Which command-line tool can be used to generate specific output?

<p>grep</p> Signup and view all the answers

What is the next step in troubleshooting methodology after determining the probable cause?

<p>Identify potential effects of the solution</p> Signup and view all the answers

What cable type is used to connect a modem to the ISP?

<p>Coaxial cable</p> Signup and view all the answers

What physical topology is commonly used for an Ethernet LAN?

<p>Star topology</p> Signup and view all the answers

What metric confirms a cabling issue when reviewing interface counters on a router?

<p>CRC errors</p> Signup and view all the answers

What command can be used to ensure two-factor authentication on a network device?

<p>aaa new-model</p> Signup and view all the answers

Which document supports prevention of unnecessary network modifications and maintaining version control?

<p>Change management policy</p> Signup and view all the answers

What tasks are commonly performed by a network engineer to increase server bandwidth?

<p>Implementing link aggregation</p> Signup and view all the answers

What description fits a network appliance that warns of unapproved devices accessing the network?

<p>Network Access Control (NAC) device</p> Signup and view all the answers

What setup supports disaster recovery and High Availability (HA) policies with two different data centers?

<p>Active-Passive</p> Signup and view all the answers

Study Notes

IT Network Technician Exam Questions Summary

  • Recommended policies to mitigate network issues: two-factor authentication and complex passwords
  • Tasks performed by a network engineer to increase server bandwidth
  • Subnet recommendation for a network block 192.168.0.0/20
  • The largest MTU for a standard Ethernet frame
  • Command-line tool to generate specific output
  • Next step in troubleshooting methodology after determining probable cause
  • Description of a network appliance that warns of unapproved devices accessing the network
  • Cable type used to connect a modem to the ISP
  • Metric confirming a cabling issue when reviewing interface counters on a router
  • Physical topology for an Ethernet LAN
  • Description of a setup for disaster and HA policies with two different data centers
  • Document supporting prevention of unnecessary network modifications and maintaining version control

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