Chapter 11 HW SW

You are a junior network technician for a small consulting firm. You have recently learned about IP addressing and run the ipconfig command on your local computer. The output from the command is: IPv4 Address..... 192.168.0.52 Subnet Mask..255.255.255.0 Default Gateway..192.168.0.1 Which of the following is the host ID?

52

Match each network type on the left with the appropriate description on the right. Each network type may be used once, more than once, or not at all.

A network in a small geographic area that typically uses wires to connect systems together. Local Area Network (LAN) 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) A network that is typically owned and managed by a city as a public utility. Metropolitan Area Network (MAN) 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) 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 set of subnets connected to each other, typically by wires, using at least one router. Local Area Network (LAN

A SOHO customer finds that their VoIP conversations frequently break up and become unintelligible. This happens most often when one person in the office streams video from the internet. Which of the following configuration changes on the SOHO router is MOST likely to improve the VoIP performance?

Change QoS settings to give VoIP traffic more priority.

A technician is installing a new SOHO wireless router. Which of the following is the FIRST thing the technician should do to secure the router?

Change the router's default password.

A technician receives a notification from a SOHO router manufacturer of a specific vulnerability that allows attackers to exploit SNMP traps to take over routers. The technician verifies the settings outlined in the notification. Which of the following actions should the technician take NEXT?

Check for and apply firmware updates.

A technician is replacing a SOHO router and has configured DHCP to assign private IP addresses to hosts on the local network. These hosts can communicate with each other, but users can't browse the internet. Which of the following changes to the SOHO router is MOST likely to restore internet connectivity?

Configure the SOHO router for NAT.

A technician is installing a SOHO router at an after-school community center. The customer would like to keep children from accessing inappropriate content while browsing the web. Which of the following actions would help accomplish this goal?

Enable content filtering

Which of the following is a network that uses internet technologies, but the data and services are only available to the hosts connected to the private network?

Intranet

You are an IT technician for your company. Your boss has asked you to set up and configure a wireless network to service all of the conference rooms. Which of the following features lets you allow or reject client connections by hardware address?

MAC address filtering

Which of the following locations will contribute the greatest amount of interference to a wireless access point? (Select two.)

Near backup generators Near cordless phones

Which of the following network components is responsible for converting digital data into a signal that can be transmitted?

Network interface

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 technician is installing a network-enabled smart home control system in a SOHO. Which of the following configurations is MOST likely required on the SOHO router in order to access the system from the internet?

Port forwarding

Which Windows network location enables network discovery and allows files and printers to be easily shared?

Private

Which of the following identifies the network name on a wireless network?

SSID

Which of the following network types uses special hardware to provide high-speed access to storage across the network?

Storage area network

Which of the following identifies both the host computer and the network to which it belongs?

Subnet mask

You are a junior network technician for a small consulting firm. Your team recently split the network into smaller subnets, one for each department. One of your users, Jaclyn in HR, is trying to access shared files from Tom's computer in the sales department. Jaclyn states she was able to previously access these files. As part of your troubleshooting, you verify that both Tom and Jaclyn can access the network printer in their departments. Which of the following would be the MOST likely reason Jaclyn is unable to access files on Tom's computer?

Tom and Jaclyn are no longer on the same subnet.

You are working as an installer for a small IT company. One of your residential clients has purchased some IoT devices and you have been tasked with installing them for the client. These IoT devices will be networked together in a small network. Each device will connect to each other and act a relay for the network signal so additional network infrastructure will not be needed. Which of the following best describes this type of network?

Wireless mesh network