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N10-009 β€” questions

Page 10 of 31 Β· 604 total questions.

Topic 1 Β· Question 187

A data center interconnect using a VXLAN was recently implemented. A network engineer observes slow performance and fragmentation on the interconnect. Which of the following technologies will resolve the issue?

  • A802.1Q tagging
  • BSpanning tree
  • CLink aggregation
  • DJumbo frames (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Jumbo frames

Topic 1 Β· Question 188

A new server is deployed in a trusted zone and is validated to be online with all appropriate services running. However, users in a perimeter network cannot access the server. Which of the following should a network administrator do to resolve the reported issue?

  • ACreate a TXT record on the DNS server for the new server.
  • BUpdate the firewall ACL to allow access to the new server. (correct answer)
  • CConfigure a static route for the user VLAN to the new server.
  • DInsert a static ARP entry for the new server on the Layer 3 switch.
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Update the firewall ACL to allow access to the new server.

Explanation

A firewall enforces traffic policy by permitting or blocking connections based on configured rules.

Topic 1 Β· Question 189

Network administrators are using the Telnet protocol to administer network devices that are on the 192.168.1.0/24 subnet. Which of the following tools should the administrator use to best identify the devices?

  • Adig
  • Bnmap (correct answer)
  • Ctracert
  • Dtelnet
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: nmap

Topic 1 Β· Question 190

A network administrator recently updated configurations on a Layer 3 switch. Following the updates, users report being unable to reach a specific file server. Which of the following is the most likely cause?

  • AIncorrect ACLs (correct answer)
  • BSwitching loop
  • CDuplicate IP addresses
  • DWrong default route
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Incorrect ACLs

Topic 1 Β· Question 191

A network engineer wants to implement a solution where all web servers will send event data over port 514. Which of the following services will accomplish this task?

  • ASyslog (correct answer)
  • BSMTP
  • CDNS
  • DDHCP
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Syslog

Topic 1 Β· Question 192

A security administrator wants to discover zero-day attacks before they can be used on the company’s network. Which of the following can the administrator use to accomplish this task?

  • ACentral repository
  • BHoneypot (correct answer)
  • CNext-generation firewall
  • DEvil twin
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Honeypot This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 193

Users at a satellite office are experiencing issues when using videoconferencing. Which of the following should a technician focus on first to rectify these issues?

  • AQuality of service (correct answer)
  • BNetwork signal
  • CTime to live
  • DLoad balancing
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Quality of service

Topic 1 Β· Question 194

A network administrator is trying to locate the switch interface a PC is connected to. The administrator accesses the local switch, pings the PC IP address, and then uses the command show arp. Which of the following commands should the administrator use next?

  • Ashow route
  • Bshow mac-address-table (correct answer)
  • Cshow vlan
  • Dshow interface
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: show mac-address-table

Topic 1 Β· Question 195

A user attempts to log in to a corporate website by utilizing a shortcut. The shortcut has been used many times before. The user then notices some discrepancies on the company website. Which of the following is most likely the reason for this issue?

  • AVLAN hopping
  • BARP spoofing
  • CDNS poisoning (correct answer)
  • DMAC flooding
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: DNS poisoning

Explanation

DNS resolves host names to records such as IP addresses and service locations. DNS poisoning inserts false resolution data so users are redirected to an attacker-controlled destination.

Topic 1 Β· Question 196

Which of the following is the correct order of components in a bottom-up approach for the three-tier hierarchical model?

  • AAccess, distribution, and core (correct answer)
  • BCore, root, and distribution
  • CCore, spine, and leaf
  • DAccess, core, and root
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Access, distribution, and core

Topic 1 Β· Question 197

A client with a 2.4GHz wireless network has stated that the entire office is experiencing intermittent issues with laptops after the WAP was moved. Which of the following is the most likely reason for these issues?

  • AThe network uses a non-overlapping channel.
  • BThe signal is reflecting too much.
  • CThe network has excessive noise.
  • DA microwave is in the office. (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: A microwave is in the office.

Topic 1 Β· Question 198

Which of the following SD-WAN features allows a router to be shipped directly to the installation site and does not require site-level configuration?

  • AZero-touch provisioning (correct answer)
  • BApplication aware
  • CTransport agnostic
  • DCentral policy management
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Zero-touch provisioning

Topic 1 Β· Question 199

A network technician is troubleshooting network latency and has determined the issue to be occurring between two network switches (Switch10 and Switch11). Symptoms reported include poor video performance and slow file copying. Given the following information: Which of the following should the technician most likely do to resolve the issue?

Exhibit 1 for question 199
  • ADisable automatic negotiation on Switch11.
  • BModify Switch10 MTU value to 1500. (correct answer)
  • CConfigure STP on both switches.
  • DChange the native VLAN on the ports.
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Modify Switch10 MTU value to 1500.

Topic 1 Β· Question 200

Which of the following types of routes will take precedence when building a routing table for a given subnet?

  • AStatic (correct answer)
  • BBGP
  • COSPF
  • DDefault
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Static

Topic 1 Β· Question 201

Which of the following steps in the troubleshooting methodology comes after using a top-to-bottom examination of the OSI model to determine cause?

  • ATest the theory. (correct answer)
  • BEstablish a plan of action.
  • CVerify full system functionality.
  • DIdentify the problem.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Test the theory.

Topic 1 Β· Question 202

Which of the following would an adversary do while conducting an evil twin attack?

  • ATrick users into using an AP with an SSID that is identical to a legitimate network. (correct answer)
  • BManipulate address resolution to point devices to a malicious endpoint.
  • CPresent an identical MAC to gain unauthorized access to network resources.
  • DCapture data in transit between two legitimate endpoints to steal data.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Trick users into using an AP with an SSID that is identical to a legitimate network.

Explanation

Git provides distributed source control with branching, history, and collaborative change tracking.

Topic 1 Β· Question 203

An ISP provided a company with an IP range of 98.174.235.142/28. A network technician configured a router with a subnet mask of 255.255.255.224 and default gateway of 98.174.235.129. After the configuration was set up. the company is unable to connect to the ISP. Which of the following would resolve this issue?

  • AChange the subnet mask to .240. (correct answer)
  • BChange the Ethernet cable from the external interface to the modem.
  • CChange the CIDR to /29.
  • DChange the static IP to 98.174.235.128/28.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Change the subnet mask to .240.

Explanation

Subnetting divides an IP network into smaller routing and broadcast domains for address efficiency and segmentation.

Topic 1 Β· Question 204

A network administrator is troubleshooting a connection between two switches that is experiencing intermittent errors. The administrator needs to determine which port on the remote switch the faulty cable is connected to. Which of the following is the best tool to use to identify the error?

  • Atracert
  • BLLDP run (correct answer)
  • Cnmap
  • Dping
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: LLDP run

Topic 1 Β· Question 205

Which of the following is a difference between EOL and EOS?

  • AEOL discontinues the product but may offer support. (correct answer)
  • BEOS replaces free support with a subscription model.
  • CEOS only applies to physical products.
  • DEOL still guarantees warranty service.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: EOL discontinues the product but may offer support.

Topic 1 Β· Question 206

A network architect is implementing an off-premises computing facility and needs to ensure that operation will not be impacted by major outages. Which of the following should the architect consider?

  • AHot site (correct answer)
  • BDCI
  • CDirect Connect
  • DActive-passive approach
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Hot site

Showing questions 181–200 of 604 Β· Page 10 of 31