CompTIA CompTIA Mobility+ N10-005 Questions & Answers

• Question 291:

  Which of the following will allow a technician to monitor all network traffic when connected to a mirror port?

  A. VLAN tags

  B. SNMP

  C. Packet sniffer

  D. Syslog

  Correct Answer: C

  Mirror port just send the packet to the port which is selected to grab the packet of any destination port to capture that packets we need packet sniffer.

• Question 292:

  In a SOHO environment, placing a VoIP unit on the outside edge of a LAN router enhances which of the following network optimization methods?

  A. Load balancing

  B. Quality of service

  C. Fault tolerance

  D. Traffic shaping

  Correct Answer: B

  In unified communication video, voice, data have only one end gateway so to give priority to avoid delay in voice and video we use Qos.

• Question 293:

  A network technician is troubleshooting a user's connectivity problem, and has determined a probable cause. The technician is at which step in the troubleshooting methodology?

  A. Verify full system functionality

  B. Identify the problem

  C. Establish a theory

  D. Implement the solution

  Correct Answer: C

  Establish a theory means to correlate the finding and cause of a problem in order to fix the problem.

• Question 294:

  Ann, a network technician, has been troubleshooting a connectivity problem in the LAN room. Ann has diagnosed the problem and implemented a solution. Which of the following would be the NEXT step?

  A. Test the theory

  B. Establish a plan of action

  C. Establish a theory

  D. Document findings

  Correct Answer: D

  As to prove the cause of problem documents need to be attached so document finding is the first step after we implemented and diagnosed that problem.

• Question 295:

  Which of the following reasons would MOST likely be used to implement QoS and traffic shaping solutions?

  A. Redundancy

  B. Fault tolerance

  C. Unified communications

  D. Uptime requirements

  Correct Answer: C

  In unified communication video,voice,data have only one end gateway so to give priority to avoid delay in voice and video we use Qos.

• Question 296:

  After a technician has identified the problem and its impact, which of the following steps should be performed NEXT?

  A. Implement preventative measures.

  B. Establish a plan of action to resolve the problem.

  C. Establish a theory of probable cause.

  D. Implement the solution or escalate as necessary.

  Correct Answer: C

  By sorting out the probable causes and establishing a theorey on them he will come to know wheather it is right cause or not.

• Question 297:

  Joe, a network technician, is troubleshooting in a wiring closet in 2011. The cabling to all the equipment does not match the documentation from 2007. Which of the following configuration management methods has been overlooked?

  A. Change management

  B. System logs

  C. Asset management

  D. Baselining

  Correct Answer: A

  Change management is the request for to change any configuration which is documented.

• Question 298:

  A user's computer is unable to access the Internet.

  Which of the following utilities can a technician use to determine if DNS is working?

  A. nbstat

  B. arp

  C. nslookup

  D. ipconfig

  Correct Answer: C

  nslookup is a network utility program used to obtain information about Internet servers. As its name suggests, the utility finds name server information for domains by querying DNS.

• Question 299:

  A client's computer is unable to access any network resources.

  Which of the following utilities can a technician use to determine the IP address of the client's machine?

  A. ipconfig

  B. nslookup

  C. dig

  D. tracert

  Correct Answer: A

  ipconfig is a commmand line utility available on all versions of Microsoft Windows starting with Windows NT. ipconfig is designed to be run from the Windows command prompt. This utility allows you to get the IP address information of a Windows computer. It also allows some control over active TCP/IP connections. ipconfig is an alternative to the older 'winipcfg' utility.

• Question 300:

  Which of the following commands can a network technician use to check whether the DNS server for a given domain is reachable?

  A. nmap

  B. nbtstat

  C. dig

  D. arp

  Correct Answer: C

  The command dig is a tool for querying DNS nameservers for information about host addresses, mail exchanges, nameservers, and related information. This tool can be used from any Linux (Unix) or Macintosh OS X operating system. The most typical use of dig is to simply query a single host.