CompTIA CompTIA Mobility+ N10-005 Questions & Answers

• Question 271:

  When troubleshooting a connectivity issue, which of the following commands will give the technician a list of the host names connected to the network?

  A. ping

  B. nbtstat

  C. arp

  D. msconfig

  Correct Answer: B

  The Nbtstat command is a great command to use when you need to display the NetBIOS over TCP/IP protocol statistics. The Nbtstat command can also be used to display NetBIOS name tables for both local and remote computers.

• Question 272:

  A user reports intermittent network connectivity.

  Which of the following should a technician configure on the managed switch to help troubleshoot this issue?

  A. SMTP

  B. SNTP

  C. SNMP

  D. SNAT

  Correct Answer: C

  SNMP, which is widely used in local area networks (LANs), lets you monitor network nodes from a management host. You can monitor network devices such as servers, workstations, printers, routers, bridges, and hubs, as well as services such as Dynamic Host Configuration Protocol (DHCP) or Windows Internet Name Service (WINS).

• Question 273:

  A large company has experienced Internet slowdowns as users have increased their use of the Internet.

  Which of the following can the Network Administrator use to determine the amount of bandwidth used by type of application?

  A. Network maps

  B. Traffic analysis

  C. Syslog

  D. ICMP

  Correct Answer: B

  By traffic analysis administrator will come to whether user are using bandwidth for right purpose or not.

• Question 274:

  A NAS appliance has had a failed NIC replaced. Now the NAS appliance is no longer visible on the network. Which of the following is the MOST likely cause of the problem?

  A. The network cable connecting the NAS to the network switch is bad.

  B. The network port that the appliance is connected to is assigned to the wrong VLAN.

  C. Port security on the Ethernet switch has disabled the port.

  D. Firewall needs to be updated for the new NAS device.

  Correct Answer: C

  As by port security switch find the changes in mac address because nic is replaced so due to security reason switch shut that port.

• Question 275:

  In order to discover the currently unknown IP address of the next-hop router, a network administrator would begin by using which of the following tools?

  A. NMAP

  B. ping

  C. nslookup

  D. tracert

  Correct Answer: D

• Question 276:

  A network administrator suspects that recent traffic problems could be caused by a high CPU load on company routers. Which of the following would BEST be used to monitor CPU cycles on the routers?

  A. TACACS+

  B. SNMP

  C. Syslog

  D. DOCSIS

  Correct Answer: B

  SNMP, which is widely used in local area networks (LANs), lets you monitor network nodes from a management host. You can monitor network devices such as servers, workstations, printers, routers, bridges, and hubs, as well as services such as Dynamic Host Configuration Protocol (DHCP) or Windows Internet Name Service (WINS).

• Question 277:

  A user has network connectivity per the link lights on the NIC, but cannot access any network resources or the Internet. Which of the following commands should the technician run FIRST?

  A. arp

  B. ipconfig

  C. tracert

  D. route

  Correct Answer: B

  As from ipconfig command technician will come to know wheather he has assigned right ip address to NIC or not.

• Question 278:

  A recent flood in the office caused a lot of equipment to be damaged and the manager of the IT department would like a way to prevent such an incident in the future. Which of the following is the BEST way to mitigate such an equipment failure?

  A. Reduce the power input on the replacement servers.

  B. Cover the servers with plastic tarps.

  C. Purchase twice as many servers to create high availability clusters.

  D. Transfer the replacement servers offsite to a data center.

  Correct Answer: D

  As we replace replacement servers offsite to datacenter this will cause lower traffic on over lan and will not cause failure of these server also.

• Question 279:

  A network technician is concerned that a user is utilizing a company PC for file sharing and using a large amount of the bandwidth. Which of the following tools can be used to identify the IP and MAC address of the user's PC?

  A. System log

  B. History log

  C. Network sniffer

  D. Nslookup

  Correct Answer: C

  Network sniffer is a computer program or a piece of computer hardware that can intercept and log traffic passing over a digital network or part of a network. As data streams flow across the network, the sniffer captures each packet and, if needed, decodes the packet's raw data, showing the values of various fields in the packet, and analyzes its content according to the appropriate RFC or other specifications.

• Question 280:

  An administrator is using a packet sniffer to try to determine what is causing the traffic on the network. The administrator sees a lot of packets on port 25. Which of the following traffic types is MOST likely using port 25?

  A. SMTP

  B. SSH

  C. DNS

  D. TELNET

  Correct Answer: A

  Port no. 25 is assigned to smtp as documented by iana.