CompTIA N10-007 Online Practice Questions and Exam Preparation

CompTIA N10-007 Online Questions & Answers

• Question 261:

  Which of the following DNS records needs to be configured for SMTP traffic?

  A. MX
  B. CNAME
  C. AAAA
  D. PTR
  A. MX

• Question 262:

  A network administrator needs to implement a new IP subnet containing 29 hosts. It is possible that the number of hosts in that subnet could eventually double. The company only has a single, unused public IP network left to work with: 164.10.12.0/24. Which of the following would be the BEST way to divide this network without wasting addresses?

  A. 164.10.12.0/24
  B. 164.10.12.64/29
  C. 164.10.12.128/26
  D. 164.10.12.191/28
  C. 164.10.12.128/26

• Question 263:

  A network administrator migrated the data tor the corporate email service from one provider to another. All DNS records were successfully changed and verified however, many hours later, users are still receiving new emails on the old provider's server. Which of the following should the administrator perform NEXT to troubleshoot the Issue?

  A. Add a secondary MX server to the DNS records.
  B. Remove old SPF records from the DNS host
  C. Create 3 DMARC record that includes the old server.
  D. Check the TTL value on the MX records
  A. Add a secondary MX server to the DNS records.

• Question 264:

  Which of the following is an object held within an MIB?

  A. OUI
  B. OTDR
  C. OID
  D. SNMP host
  E. SNMP agent
  F. SNMP trap
  C. OID

• Question 265:

  Which of the following IEEE standards explains the characteristics of how PoE should operate in a switched network?

  A. 802. 11ac
  B. 802. 1q
  C. 802. 1 X
  D. 802. 3af
  C. 802. 1 X

• Question 266:

  A systems administrator has recently purchased and installed a large electronic signage screen for the company's parking garage. The screen's management software was installed on a server with public IP address to allow remote management. The systems administrator is now troubleshooting an issue with the screen displaying unknown, random, and inappropriate messages. Which of the following is MOST effective in resolving this issue?

  A. Changing the management software's default credentials
  B. Disabling unnecessary services from the server and management software
  C. Changing the management software's default port
  D. Replacing the management software's self-signed certificate with a valid certificate
  A. Changing the management software's default credentials

• Question 267:

  A technician is troubleshooting network connectivity issue with a remote host. Which of the following tools would BEST between the client and the remote host?

  A. tracert
  B. ping
  C. tcpdump
  D. pathping
  E. netstate
  F. nslookup
  G. route
  E. netstate
  F. nslookup

• Question 268:

  Which of the following would a network technician MOST likely connect to power wireless access points in drop ceilings?

  A. Powerline extender
  B. Ethernet-over-power adapter
  C. Power-over-Ethernet switch
  D. Power distribution unit
  E. Ethernet power controller
  C. Power-over-Ethernet switch

• Question 269:

  A critical vulnerability is discovered on a network device. The vendor states it has already patched this vulnerability in its current release. Which of the following actions should an administrator take?

  A. Change the default password
  B. Use a firewall in front of the device.
  C. Update the firmware.
  D. Upgrade the configuration.
  C. Update the firmware.

• Question 270:

  Which of the following specifications would Sara, an administrator, implement as a network access control?

  A. 802.1q
  B. 802.3
  C. 802.11n
  D. 802.1x
  D. 802.1x