310 week12
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
Which of the following IP address ranges is reserved for Automatic Private IP Addressing?
169.254.0.1 - 169.254.255.254
While making an online bank transaction, a customer checks to see that the web browser is displaying a lock icon that indicates that an encrypted TCP/IP suite protocol is being used. 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
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
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
Nate, an employee in your organization, has started to work from home two days a week. Nate uses the same company laptop while working in the office and working at home. Nate's laptop automatically connects to the wireless network in the office, but does not automatically connect to his home wireless network. Nate would like the laptop to connect automatically at home and at work. Which of the following would BEST allows this to happen?
Configure an alternate TCP/IP configuration on the laptop's wireless adapter to use a static IP address that is compatible with the home network.
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.
Which TCP/IP configuration parameter identifies the router that is used to reach hosts on remote networks?
Default gateway
Which of the following is a wired networking method most commonly used today by desktop PCs and other network devices to connect to a local area network?
Ethernet
Which of the following are advantages of using fiber optic cabling for a network, as opposed to other types of cabling? (Select TWO.)
Greater cable distances without a repeater Immunity to electromagnetic interference
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
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 statements about the Dynamic Host Configuration Protocol (DHCP) are true? (Select TWO.)
It can deliver a DNS server address in addition to the host IP address. A workstation must request addressing information from a DHCP server.
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 medical center wants to upgrade their network backbone to 10-Gigabit Ethernet (10 Gbps) so they can perform daily backups of large amounts of data to the secure on-site storage area network (SAN) without bogging down the network. 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
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 connector is used with unshielded twisted pair (UTP) cable?
RJ45
You have recently been called to troubleshoot network connectivity problems at a user's workstation. You have found that the network cable runs across high-traffic areas on the floor, causing the cable to wear through and break. You are replacing 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
Match each port number on the left with its associated protocols on the right.
SSH 22 AFP 548 HTTPS 443 HTTP 80 SMP/CIFS 445 SLP 427 IMAP 143
A host on your network that provides a service that requires the server to always use the same IP address. Which IP addressing method can you use to manually assign the specific IP address?
Static IP addressing
Which of the following is true of a network using the 1000Base-T standard? (Select TWO.)
The network uses copper UTP cables. The network operates at one gigabit per second.
You are the IT technician for your company. Which of the following mechanisms would BEST allow you to resolve a hostname into its associated IP address? (Select TWO).
hosts file \ DNS
Given that your Windows workstation has Automatic Private IP Addressing (APIPA) implemented using default settings, which of the following TCP/IP addresses could be automatically assigned to the system should your DHCP server go down or become inaccessible?
169.254.1.26
Which of the following are valid IP addresses? (Select TWO.)
2.2.2.2 172.16.1.26
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
Which of the following are not valid IP addresses? (Select THREE.)
257.0.122.55 145.8.260.7 45.22.156.256
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
You have a user who takes his laptop home every day after work. When he's working in the office, the laptop must get an IP address from the DHCP server so you configure it to obtain IP and DNS information automatically. When he's working from home, the laptop must use IP and DNS information that connects with his home network. Which IP addressing method can you use to make sure he gets a network connection at home?
Alternate IP configuration
Match the types of Ethernet connectivity devices on the left with the corresponding descriptions on the right. Each type of Ethernet connectivity device may be used once, more than once, or not at all.
Connects segments on the same subnet. Forwards signals to only the port connected to the destination device. switch Can be used to connect wireless clients to wired clients on the same network. bridge Connects two network segments that have different subnet addresses. router Connects segments on the same subnet. Repeats signals out to all other ports. hub Operates in full-duplex mode, meaning devices can both send and receive data at the same time. switch Operates in half-duplex mode, meaning devices can either send or receive data at any given time. hub Uses the IP address within a packet to move packets between networks. router
As a network engineer, you have been creating patch (straight-through) cables for a network switch. You have plugged in all the cables and are testing data transmission through the cables. You notice that the data transmission is not functioning properly in some of the cables and are sure that one of the cables is interfering with the transmission at the near end of the cable. What is this type of interference called?
Cross-talk interference
As the IT technician for your company, you need to ensure that IP addresses are automatically assigned to hosts while at the same time preventing the same address from being assigned twice. Which of the following services would be BEST to use?
DHCP
You want to implement name resolution on the Linux workstations in your company. Which protocol will you use to do this?
DNS
Match the fiber optic cable types on the left with the appropriate characteristics on the right. Each cable type may be used once, more than once, or not at all.
Data transfers through the core using more than one light rays. Multimode The core diameter is around 10 microns. Single mode Cable lengths can extend a great distance. Single mode Cable lengths are limited in distance. Multimode
A technician is configuring the static TCP/IP settings on a client computer. Which of the following configurations are needed for internet communications? (Select THREE.)
Default gateway address DNS server address IP address including a subnet mask (IPv4) or subnet prefix length (IPv6)
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
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
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
You are setting up a small network in your office with one Windows server and 50 Windows workstations. You want to spend as little time as possible configuring the workstations with IP addressing information. What should you do?
Install and configure the DHCP service on your server.
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
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
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
A Windows workstation is configured to receive its IP configuration information from a DHCP server on the company network. The user at the workstation reports that she cannot use email and is unable to reach the internet. Using the ipconfig command, you see that the workstation has been assigned the following special IP configuration: IP address: 169.254.0.1 Subnet mask: 255.255.0.0
What is this special IP configuration called? Automatic Private IP Addressing (APIPA) Why did the workstation receive this type of configuration? The workstation was unable to contact the DHCP server.
While setting up a home office, a technician disables the DHCP service on the office router, but does not want to rely on link-local addressing. Which of the following IP addressing methods should be used?
static
