IS 404 In Book Quiz Questions

1. The network administrator needs to verify a network connection. Which of the following steps should be taken? (Select two.) a. Verify the link lights. b. Use the ping command to verify network connectivity. c. Perform an ARP request. d. Ping the MAC address.

A & B

Horizontal cabling consists of which of the following basic blocks? (Select two.) a. Switch or hub b. Routers c. Backbone cabling d. Patch panel

A and D

What is the material surrounding the core of an optical waveguide called? a. Cladding b. Aperture c. Mode field d. Step-index e. Graded-index

A. Cladding

The NIC operates at which layer of the OSI model? a. Layer 1 b. Layer 3 c. Layer 5 d. Layer 7 e. All of these answers are correct.

A. Layer 1

TCP functions at which layer of the OSI model? a. Layer 4 b. Layer 2 c. Layer 3 d. Layer 5 e. Layer 7

A. Layer 4

Define the acronym NIC. a. Network Interface Card b. National Integrated Communicator c. Network Integration Card d. National Integration Communicator e. None of these answers is correct

A. Network Interface Card The electronic hardware used to interface the computer to the network. It contains a unique MAC address

The ping -t ip address command (select all that apply) a. Pings the host_at the specified IP address until it is stopped. b. Pings the MAC address of the host at the specified IP address. c. Allows the ping to pass through routers d. Allows the ping command to be executed from the command prompt.

A. Pings the host at the specified IP address until it is stopped D. Allows the ping command to be excuted from the command prompt

What is the most common Network Topology Today? A. Star B. Hub C. Ring D. Mesh

A. Star

A lit link light indicates that (select all that apply) a. The Link Integrity Test is operational. b. Link pulses are being shared by all devices in the LAN. c. A 10Mbps data link has been established. d. A 100Mbps data link has been established. e. All of these answers are correct.

A. The Link Integrity Test is operational

A cross-connected input port indicates that a. The transmit and receive pairs are crossed. b. Is only used on connections to routers. c. The cable is wired incorrectly. d. Must be avoided on hub and switch port inputs.

A. The transmit and receive pairs are crossed

2. The MAC address on a Windows computer can be accessed by typing ipconfig /all from the command prompt. a. True b. False

A. True

A hub is also called a multiport repeater. a. True b. False

A. True

What is the overall length limitation of a UTP cable run from the telecommunications closet to a networking device in the work area? a. 10 meters b. 100 meters c. 10K meters d. 100K meters

B. 100 meters

What is the data rate for FastEthernet? a. 10Mbps b. 100Mbps c. 1000Mbps d. 10Kbps e. None of these answers is correct.

B. 100Mbps

How many wires are in a CAT5e/6 twisted-pair cable? a. 12 wires b. 8 wires c. 4 wires d. 6 wires

B. 8

The OUI for the MAC address 00-10-A4-13-99-2E is 13992E. a. True b. False

B. FALSE The OUI is the first 3 bytes. (the first 6 digits)

1. The "X" on the input to a switch represents a router-only port. a. True b. False

B. False

A protocol defines the network architecture used to interconnect the networking equipment. a. True b. False

B. False A protocol is the set of rules established for users to exchange information

The network address is another name for a layer 4 address. a. True b. False

B. False Layer 4 is Transport while Layer 3 is Network

What are the light waves just below the frequencies in the visible spectrum? a. Sub-light waves b. Infrared light waves c. Refractive waves d. Multimode waves e. Polar waves

B. Infrared light waves

What is NAT? a. Network Asynchronous Transfer b. Network Address Translation c. Network Address Transfer d. None of these answers is correct.

B. NAT is Network Address Translation It translates the private IP addresses to a public address

The term deterministic means a. Access to the network is provided at random time intervals. b. Access to the network is provided using CSMA/CD. c. Access to the network is provided at fixed time intervals. d. None of these answers is correct.

C. Access to the network is provided at fixed time intervals

2. How does MAC address filtering help to secure a wireless network? a. This is used to help prevent the theft of network interface cards. b. This requires an additional login step requiring the user to enter his MAC address. c. MAC address filtering is seldom used anymore because of NIC restrictions. d. This can be used to select which networking devices can be allowed access to the network.

D. A MAC address filtering can be used to select which networking device can be allowed to access the network

Which of the following are examples of wireless technologies? a. 802.11a b. 802.11g c. 802.11n d. All of these answers are correct.

D. All of these answers are correct 802.11a - 54 Mbps - 75ft - 5GHz 802.11b - 11 Mbps - 100/150ft - 2.4GHz 802.11g - 54 Mbps - 150ft - 2.4 GHz 802.11n - 200+ Mbps - 2.4 or 5 GHz 802.11ac - 500 Mbps - 5GHz

1. Which of the following issues should be considered when planning for a home network? a. Data speed b. Public access c. Cost d. All of these answers are correct.

D. All of these answers are correct Data Speed Cost Ease of implementation Appearance Home Access Public Access

What type of cable is currently recommended for LAN work areas? a. Shielded twisted-pair b. CAT6 shielded twisted-pair c. CAT 5e UTP d. CAT6 UTP e. CAT7 UTP

D. CAT6 UTP

HTTP functions at which layer of the OSI model? a. Layer 6 b. Layer 5 c. Layer 4 d. Layer 7 e. All of these answers are correct.

D. Layer 7

How do the IP address and MAC address differ? (Select one.) a. They are the same. b. The MAC address defines the network location. c. The IP address is only used as part of the ARP request. d. The MAC address provides the physical address of the network interface card.

D. The MAC Address provides the physical address of the network interface card

IP is an example of a protocol that operates in which layer of the OSI model? a. Layer 7 b. Layer 6 c. Layer 5 d. Layer 2 e. None of these answers is correct.

E. It is level 3

What is the benefit of shielded twisted-pair cable? a. Ease of installation b. Excellent EMI protection c. Less expensive d. Preferred by industry for all installations e. None of these answers is correct.

E. None It does provide EMI protection, but it isnt excellent, and it is much more expensive that unshielded

he six subsystems of a structured cabling system are the following: Building Entrance Equipment Room Backbone Cabling Telecommunications Closet Vertical Cabling Work Are True or False?

False. It is Horizontal cabling not vertical

Single-mode fiber cables have a core diameter of about 7-10 micrometers. True or False?

True