JK0-016 CompTIA Network+ 2009 Edition Practice Exam Set 11

Logical Topology (also referred to as Signal Topology) is a network computing term used to describe the arrangement of devices on a network and how they communicate with one another. Which logical topology uses distributed authentication? 


Options are :

  • Client/server
  • VLAN
  • VPN
  • P2P (Correct)

Answer : P2P

When surfing the internet, which layer of the OSI Model will result in a session time-out?   


Options are :

  • Layer 2
  • Layer 6
  • Layer 4
  • Layer 5 (Correct)

Answer : Layer 5

Which statement about VLAN trunking is correct?   


Options are :

  • VLAN applied to a router
  • VLAN broadcasting domains
  • VLAN applied to more than one switch (Correct)
  • VLAN port isolation

Answer : VLAN applied to more than one switch

A small company connected to the Internet through a SOHO (Small Office / Home Office) router wants to make an internal web server public on the Internet. Computers on the LAN (Local Area Network) can access the web pages but Internet users cannot. What should be done to solve the problem?   


Options are :

  • Make certain the web site has a public IP (Internet Protocol) address, the web site is functioning, and that port 80 is open on the router.
  • Make certain the web site has an external DNS (Domain Name Service) name and a public IP (Internet Protocol) address, and that port 80 is open on the router. (Correct)
  • Make certain the web site has an external DNS (Domain Name Service) name, the web site is functioning, and that port 53 is open on the router.
  • Make certain the web site has an external DNS (Domain Name Service) (Domain Name Service) name and a public IP (Internet Protocol) address, the web site is functioning, and that port 53 is open on the router

Answer : Make certain the web site has an external DNS (Domain Name Service) name and a public IP (Internet Protocol) address, and that port 80 is open on the router.

You have received a call, saying that users are able to visit Internet web pages but can??t visit the internal company website. Why?   


Options are :

  • The DNS address handed out by DHCP is incorrect.
  • The intranet server is down. (Correct)
  • The intranet DNS entry is non-authoritative.
  • The default gateway is incorrect.

Answer : The intranet server is down.

Which of the following is the maximum number of a Host ID in a Class A subnet?   


Options are :

  • 20bits
  • 24bits (Correct)
  • 32bits
  • 34bits

Answer : 24bits

Refer to the following items, which is the objective of a NIC? 


Options are :

  • It filters frame packets
  • Ittransceives digital data (Correct)
  • It sends data to Non-Volatile RAM
  • It captures keystrokes

Answer : Ittransceives digital data

Several hosts with an IP address of 169.254.0.1 can't access the network. As a network technician, which of the following will you examine? 


Options are :

  • DNS
  • DHCP (Correct)
  • BOOTP
  • TFTP

Answer : DHCP

Your computer can't connect to the network, and the link lamp on the NIC is not light. How will you do first? 


Options are :

  • Check to make sure that the port on the switch is working properly
  • Verify network cable connectivity (Correct)
  • Replace the NIC card with a known good NIC card.
  • Reinstall NIC drivers with the most current drivers.

Answer : Verify network cable connectivity

A client noticed that traffic has increased steadily over the last few months and performance is beginning to suffer on its TCP / IP (Transmission Control Protocol / Internet Protocol). Which network device can be installed to reduce the impact of network traffic without dividing the LAN (Local Area Network) into separate subnets? 


Options are :

  • Bridge (Correct)
  • Router
  • Gateway
  • Repeater

Answer : Bridge

If you want to use a 100BASE-T network to connect two servers and five workstations, which physical topology will you use? 


Options are :

  • Star (Correct)
  • Bus
  • FDDI
  • Ring

Answer : Star

Which IEEE standard describes Thinnet? 


Options are :

  • 802.3a (Correct)
  • 802.3ae
  • 802.3u
  • 802.3ab

Answer : 802.3a

In order to allow a network to have a smaller broadcast domain with the minimum budget, which solution is best? 


Options are :

  • Implement more hubs.
  • Create VLAN. (Correct)
  • Implement more switches.
  • Assign static IPs

Answer : Create VLAN.

On a wireless network, the wireless card and the original computers run normally. A technician is asked to connect a laptop through the small office, home office (SOHO) wireless access point. However, when using this laptop to test connectivity, the wireless network is not found, what is the probably source of this problem? 


Options are :

  • The WEP key is not correct.
  • The wireless router does not have adequate AC power.
  • The laptop is running on Windows Service Pack 1.
  • The SSID is set to not broadcast. (Correct)

Answer : The SSID is set to not broadcast.

There are several different standards for this copper-based physical medium. The most widely used are 10BASE-T, 100BASE-TX, and 1000BASE-T (Gigabit Ethernet), running at 10 Mbit/s, 100 Mbit/s, and 1000 Mbit/s (1 Gbit/s) respectively. 10Base-T differs from100Base-T in which of thefollowing ways?   


Options are :

  • 100Base-T requires STP cabling.
  • shorter timing between Ethernet frames. (Correct)
  • smaller headers on Ethernet frames.
  • 100Base-T frames hold more data.

Answer : shorter timing between Ethernet frames.

The highest bandwidth of 54Mbps operating at 5GHz belongs to which IEEE standard? 


Options are :

  • 802.11a (Correct)
  • 802.11g
  • 802.11
  • 802.11b

Answer : 802.11a

Which network component transmits packets through a wireless network?   


Options are :

  • WEP
  • NIC
  • CSU / DSU
  • WAP (Correct)

Answer : WAP

A user wants to use his laptop through the wireless network. The wireless has been configured with DHCP, and a temporary WEP key has been assigned. Why the laptop fails to connect to the network? 


Options are :

  • the network is out of wireless connections.
  • this laptop is enabled for both 802.11b and 802.11g.
  • DNS server is not working properly
  • MAC filtering is enabled on the WAP. (Correct)

Answer : MAC filtering is enabled on the WAP.

Select a network device form the following to create VLANs? 


Options are :

  • Bridges
  • Routers
  • Gateways
  • Switches (Correct)

Answer : Switches

Which media type is NOT susceptible to electromagnetic interference (EMI)?   


Options are :

  • Fiber-optic cable (Correct)
  • Co-axial cable
  • UnshieldedTwister Pair cable
  • ShieldedTwister Pair cable

Answer : Fiber-optic cable

Which of the following will a company work with if it wants to use one of the reserved private IP address ranges?   


Options are :

  • their IT department (Correct)
  • their legal department.
  • IEEE
  • IANA

Answer : their IT department

Which of the following is the maximum number of a network ID in a Class C subnet?   


Options are :

  • 24bits (Correct)
  • 32bits
  • 34bits
  • 20bits

Answer : 24bits

A companys network currently has three Microsoft Windows 2000 servers. A Novell NetWare 4.0 server is added, but none of the Microsoft Windows 2000 servers can access the Novell server. What must be done so that the Microsoft Windows 2000 servers can access the Novell NetWare 4.0 server? 


Options are :

  • Install NWLINK on the Microsoft 2000 servers (Correct)
  • Install NetBEUI (Network Basic Input / Output Extended User Interface) on the Novell NetWare 4.0 server
  • Install NetBEUI (Network Basic Input / Output Extended User Interface) on the Microsoft Windows 2000 servers
  • Install NWLINK on the Novell NetWare 4.0 server

Answer : Install NWLINK on the Microsoft 2000 servers

Which type of cable is often used in a corporate gigabit network scheme? 


Options are :

  • CAT1
  • CAT5
  • CAT6 (Correct)
  • CAT3

Answer : CAT6

In an RJ-11 connector, how many wire pairs can be used at most? 


Options are :

  • 4
  • 6
  • 8
  • 2 (Correct)

Answer : 2

Look at the following items carefully, then select the network segment situated outside the firewall.   


Options are :

  • DMZ (Correct)
  • VPN
  • PPTP
  • SPAP

Answer : DMZ

Which of the following has a maximum data transmission rate of 10 Gbps? 


Options are :

  • 1000Base-CX, 1000Base-LX and 1000Base-SX.
  • 100Base-FX, 100Base-TX and FDDI.
  • 10Base-2, 10Base-5 and 10Base-T.
  • 10GBase-ER, 10 GBase-LR and 10 GBase-SR (Correct)

Answer : 10GBase-ER, 10 GBase-LR and 10 GBase-SR

CAT 5 cable is a twisted pair (4 pairs) high signal integrity cable type. In a main distribution frame (MDF), which is the highest transmission speed for a CAT5 network cable? 


Options are :

  • 1Mbps.
  • 100Mbps. (Correct)
  • 1000Mbps.
  • 10Mbps

Answer : 100Mbps.

Given the NIC's IP address, how to determine the NIC's MAC address without going to the computer? 


Options are :

  • ping
  • arp (Correct)
  • nbtstat
  • netstat

Answer : arp

With which of the following would you use a RJ-45 connector? (Choose Two.)

A. 100Base-T

B. 1000Base-CX

C. 1000Base-LX

D. 1000Base-TX 


Options are :

  • A,B
  • B,C
  • A,D (Correct)
  • C,D

Answer : A,D

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