TestOut Ch 6 1-5
Your network follows the 1000Base-T specifications for Gigabit Ethernet. Which of the following is the MAXIMUM cable segment length allowed?
100 meters
Which type of fiber optic cable supports 10 Gigabit Ethernet with a maximum segment length of up to 40 km?
10GBaseER single-mode
Internet Message Access Protocol (IMAP)
143
Which of the following are not valid IP addresses? (Select THREE.)
145.8.260.7 257.0.122.55 45.22.156.256
Which of the following are valid IP addresses? (Select TWO.)
172.16.1.26 2.2.2.2
An administrator configures a server to run the TCP/IP suite protocol that allows users to download files contained in specific directories on the server and also protects access to those files by requiring user authentication. Which of the following TCP/IP port numbers allow this protocol to work properly? (Select TWO).
20 21
Secure Shell (SSH)
22
To assist a user, a help desk technician is able to take advantage of a Windows proprietary network protocol that allows the technician to open a graphical interface to connect with the user's Windows computer. Which of the following TCP/IP port numbers is the default port used by this protocol?
3389
While working on a Windows workstation, you've enabled Remote Desktop. Which of the following ports MUST be opened in the server's firewall to allow remote clients to access the desktop?
3389
Service Location Protocol (SLP)
427
HTTP over SSL (HTTPS)
443
Which of the following TCP/IP port numbers does this protocol typically use when the browser encrypts its communications with the bank's web server?
443
Server Message Block (SMB/CIFS) directly over TCP
445
You've just installed the DNS service on a Windows server. Which port must be opened in the server's firewall to allow clients to access the service?
53
Apple Filing Protocol (AFP)
548
Hypertext Transfer Protocol (HTTP)
80
Which of the following is the best definition for a LAN?
A network in a small geographic area, like in an office.
You have a computer with an onboard LAN adapter. The LAN adapter has failed, and you are unable to connect the computer to the network. What should you do?
Add a network card using a PCI slot.
Can be used to connect wireless clients to wired clients on the same network.
Bridge
Which of the following is a valid MAC address?
C0-34-FF-15-01-8E
A technician is replacing a cable modem. The cable from the cable company has an inner solid wire conductor and an outer mesh conductor separated by PVC plastic insulation. Which of the following network cable types is being used?
Coaxial cable
While sorting through a box of cables in your storage room, you find one that matches the configuration shown in the image. Which of the following BEST describes the type of cable configuration and the purpose for which it would be used?
Crossover cable configuration used to connect computers directly to one another for networking.
Since IP addresses are difficult to remember, you want to implement a protocol on your network that allows computers to automatically find another host's IP address using a logical name. Which of the following protocols would be the BEST to implement?
DNS
You want to implement name resolution on the Linux workstations in your company. Which protocol will you use to do this?
DNS
Which of the following devices allows network communications to be transmitted over existing AC power lines?
Ethernet over Power
You have just signed up for a broadband home internet service that uses coaxial cable. Which connector type will you most likely use?
F-type
You want to allow your users to download files from a server running the IP protocol. You want to protect access to the files by requiring user authentication to access specific directories on the server. Which IP protocol should you implement to provide this capability?
FTP
A customer is upgrading the routers and switches in their network. The signal source in these network devices is a light-pulse. Which of the following network cabling options is MOST likely being used in this upgrade?
Fiber optic
What is a major benefit STP provides that UTP does not?
Greater resistance to interference.
You are using a crimper to attach an RJ45 connector to a Cat 6 UTP cable. You need to use the T568A standard to connect the individual wires to the connector. Which wire should be connected to pin 1?
Green with white
Connects segments on the same subnet. Repeats signals out to all other ports.
Hub
Operates in half-duplex mode, meaning devices can either send or receive data at any given time.
Hub
Which of the following hardware devices regenerates a signal out all connected ports without examining the frame or packet contents?
Hub
Which of the following protocols is used by an email client to retrieve messages from an email server and gives users the option to keep mail messages on the server?
IMAP
You want to use your Windows workstation to browse the websites on the internet. You use a broadband DSL connection to access the internet. Which network protocol must be installed on your workstation to do this?
IP
Which of the following are advantages of using fiber optic cabling for a network, as opposed to other types of cabling? (Select TWO.)
Immunity to electromagnetic interference Greater cable distances without a repeater
A user is configuring an email client application and plans to use a standard TCP/IP suite protocol to retrieve email messages from an email server. Which of the following TCP/IP suite protocols can be used to retrieve email messages? (Select TWO).
Internet Message Access Protocol (IMAP) Post Office Protocol (POP3)
Which of the following best describes how a switch functions?
It connects multiple cable segments or devices and forwards frames to the appropriate segment.
Which of the following statements accurately describes how a modem works? (Select TWO.)
It demodulates analog data from a telephone network into digital PC data. It modulates digital data from the PC into analog data and transmits it on a telephone network.
Which of the following are characteristics of coaxial network cable? (Select TWO.)
It has a conductor made from copper in the center of the cable. It uses two concentric metallic conductors.
A technician must press a cable connector's retaining tab to remove a faulty fiber optic network cable. Which of the following connectors does the cable use?
LC
A network in a small geographic area that typically uses wires to connect systems together.
Local Area Network (LAN)
A set of subnets connected to each other, typically by wires, using at least one router.
Local Area Network (LAN)
You have been asked to implement a network infrastructure that will accommodate failed connections. Which of the following network topologies provides redundancy for a failed link?
Mesh
You have implemented an ad hoc wireless network that doesn't employ a wireless access point. Every wireless network card can communicate directly with any other wireless network card on the network. What type of physical network topology has been implemented in this type of network?
Mesh
You have a network that uses a logical bus topology. How do messages travel through the network?
Messages are broadcast to all devices connected to the network.
You have a network that uses a logical ring topology. How do messages travel through the network?
Messages travel from one device to the next until they reach the destination device.
A network that covers an area as small as a few city blocks to as large as an entire city.
Metropolitan Area Network (MAN)
A network that is typically owned and managed by a city as a public utility.
Metropolitan Area Network (MAN)
Cable lengths are limited in distance.
Multimode
Data transfers through the core using more than one light rays.
Multimode
Some of the backbone segments will have to reach between buildings that are close to 300 meters apart. Which of the following cable types BEST supports the 10-Gigabit Ethernet at the necessary segments lengths while keeping costs as low as possible?
Multimode fiber optic
Which network component connects a device to the transmission media and allows it to send and receive messages?
Network interface card
A technician connects two network switches using a twisted pair cable. Neither switch supports auto-uplinking. Which of the following identifies the TIA wiring standard required on each end of the cable?
One end must be T568A, and the other must be T568B.
Which of the following terms refers to a network resource sharing model that uses access control lists saved on each computer?
Peer-to-peer
A group of workers in an office space communicate with each other on their smartphones and tablet devices through an ad hoc network linked using Bluetooth technology protocols. Which of the following network types is in use?
Personal Area Network (PAN)
A small network used for connecting devices, such as a notebook computer, a wireless headset, a wireless printer, and a smartphone.
Personal Area Network (PAN)
You are installing networking cable in the air space between the ceiling and the roof of a building. Which type of cabling should you use?
Plenum
A technician is running a network above a dropped ceiling that is also used for ventilation. The cable must be twisted pair and must be capable of Gigabit Ethernet speeds. Which of the following cables should be used?
Plenum-rated CAT-6a
Which of the following devices can be used to distribute electrical power along with network data on twisted-pair Ethernet cabling (CAT 5 or higher)?
Power over Ethernet
A technician is installing a cable modem that supplies internet connectivity for a home office. Which of the following cabling types would be used to connect the cable modem to the cable wall outlet?
RG6
Which kind of connector do you use to connect a modem to a standard telephone line?
RJ11
Which connector is used with unshielded twisted pair (UTP) cable?
RJ45
Connects two network segments that have different subnet addresses.
Router
Uses the IP address within a packet to move packets between networks.
Router
You have replaced the cable with a plenum-rated and shielded twisted pair cable. You would like to minimize the problem and prevent it from happening again. Which of the following will BEST protect the cable from further damage?
Run the cable through the ceiling area instead of across the floor.
Which protocol is used to send email messages from a mail client to a mail server?
SMTP
An 8-port switch receives a frame on port number 1. The frame is addressed to an unknown device. What will the switch do?
Send the frame out ports 2-8.
Cable lengths can extend a great distance.
Single mode
The core diameter is around 10 microns.
Single mode
Which of the following topologies connects each network device to a central hub?
Star
A technician determines that an older network hub that connects 24 workstations is performing poorly due to excessive network collisions. Which of the following network devices would be the BEST replacement?
Switch
Connects segments on the same subnet. Forwards signals to only the port connected to the destination device.
Switch
Operates in full-duplex mode, meaning devices can both send and receive data at the same time.
Switch
What device is used to create a physical star topology?
Switch
Which of the following LAN devices receives a signal on one port and forwards that signal only to the port where the destination device is connected?
Switch
Which of the following is true of a network using the 1000Base-T standard? (Select TWO.)
The network operates at one gigabit per second. The network uses copper UTP cables.
You are a software developer, and you are creating a multimedia streaming application. Data will be streamed from your streaming server to streaming clients over IP networks. Which transport protocol should your application use to send data between the clients and the server?
UDP
Which of the following protocols carry phone calls over an IP-based network?
VoIP
You have several different types of connections that are used for various types of hardware. One of the types of cable available to you is an RJ45 cable. Which of the following BEST describes where this cable would most likely be used?
Voice over IP connection
How do switches and bridges learn where devices are located on a network?
When a frame enters a port, the source MAC address is copied from the frame header.
A group of networks that are geographically isolated, but are connected to form a large internetwork.
Wide Area Network (WAN)
Similar to a standard LAN, but uses radio signals instead of wires to connect systems together.
Wireless Local Area Network (WLAN)
