CompTIA N10-005 Online Practice Questions and Exam Preparation

CompTIA N10-005 Online Questions & Answers

• Question 171:

  A network administrator wishes to limit the number of potential wireless clients to 20 on a specific AP. Which of the following settings needs to be changed?

  A. The network address translation IP range.
  B. The signal strength of the router.
  C. The DCHP lease time.
  D. The number of allowable MAC addresses.
  D. The number of allowable MAC addresses.

• Question 172:

  Given a subnet mask of 255.255.255.0, how many usable IP addresses would be in that subnet?

  A. 250
  B. 254
  C. 255
  D. 256
  B. 254

  ---

  The Subnet Mask however, determines the "class" of a Network. 255.255.255.0 is a "Class C" network.A class c network can host up to 254 pc's

• Question 173:

  The application layer in the TCP/IP model is comparable to which of the following layers in the OSI model?

  A. Layer 2
  B. Layer 5
  C. Layer 6
  D. Layer 7
  D. Layer 7

• Question 174:

  Which of the following uses types and codes rather than ports?

  A. EIGRP
  B. ICMP
  C. UDP
  D. IPv6
  B. ICMP

• Question 175:

  Which of the following would allow a network administrator to implement a user authentication method that uses X.509 certificates?

  A. PKI
  B. Kerberos
  C. TACACS+
  D. RADIUS
  A. PKI

• Question 176:

  A company has recently allowed its employees to telecommute two days a week. The employees MUST have a minimum of 1Mbps non-shared connection to the Internet. Which of the following MUST the employees have at their home in order to connect to the Internet?

  A. ISDN
  B. Cable modem
  C. DSL
  D. Dial-up networking
  C. DSL

  ---

  Digital subscriber line (DSL, originally digital subscriber loop) is a family of technologies that provide Internet access by transmitting digital data over the wires of a local telephone network.

• Question 177:

  A server that filters traffic between a WAN and a LAN is which of the following?

  A. Proxy server
  B. RAS server
  C. Default gateway
  D. Email server
  A. Proxy server

• Question 178:

  A technician has spent most of the day replacing a server running DHCP. Some of the users have begun to call the help desk stating that Internet connection stopped working even after rebooting. Upon investigation, the users' PCs with issues all have IP addresses that start with 169.254.x.x. The technician completes the replacement and powers on the new DHCP server.

  Which of the following is the BEST way to provide the PCs with issues a new IP address?

  A. Statically assign a legitimate IP address, and then set the PCs' NICs to DHCP
  B. Inform each user to replace 169.254 with 192.168
  C. Wait five minutes until the PC resends a DHCP request
  D. Run netstat on each PC and then reboot into safe mode
  C. Wait five minutes until the PC resends a DHCP request

• Question 179:

  A technician has been given the task to install a wireless network in a user's home.

  Which of the following should the technician consider when implementing the network? (Select TWO).

  A. That there is strong encryption enabled and configured on the access point.
  B. The user's home network has a correctly completed WHOIS entry.
  C. The access point is broadcasting the SSID based upon manufacturer's standards.
  D. There are no conflicts of channels in use by neighboring wireless networks.
  E. There are redundant internal DNS names set in the access point's settings.
  F. That the access point's MAC address is properly set in its configuration settings.
  A. That there is strong encryption enabled and configured on the access point.
  D. There are no conflicts of channels in use by neighboring wireless networks.

  ---

  Strong encryption is required to keep the user's internet safe and secure so as to avoid misuse of the internet connection and to ensure that channel conflicts are not there so that the signals do not compete with each other and user start to face intermittent connection.

• Question 180:

  A company wants to secure its WAPs from unauthorized access.

  Which of the following is the MOST secure wireless encryption method?

  A. SSID disable
  B. SNMPv3
  C. WEP
  D. WPA2
  D. WPA2

  ---

  WPA2 improves security of Wi-Fi connections by not allowing use of an algorithm called TKIP (Temporal Key Integrity Protocol) that has known security holes (limitations) in the original WPA implementation.