CompTIA(220 - 1001) - Networking (Test Prep)

What is the network prefix that is used to denote an unsubnetted Class C IP address?

/24

You want to set up a wireless network with data throughput of 54 Mbps. Which two wireless specifications will provide a data throughput of 54 Mbps? (Choose two.)

1. 802.11a 2. 802.11g

Which TCP/IP configuration information must a computer on a network have before it can communicate with the Internet? (Choose three.)

1. A Subnet Mask 2. Default Gateway 3. TCP/IP address

Your company has decided to implement a wireless network. The wireless network users must be able to connect to resources on your internal network, including file, print, and DHCP services. Which options should you implement? (Choose all that apply.)

1. Infrastructure Mode 2. A wireless access point

Which properties are true regarding IPv6? (Choose two.)

1. It uses 128-bit addresses 2. It has 340 undecillion available addresses

You are setting up a network segment in the Research and Development department. Due to the sensitive and proprietary nature of the work in this department, you want to ensure that only computers belonging to that department can access that network segment. Which option would you use?

1. MAC filtering 2. QoS

Which improvements does IPv6 provide over the current IP addressing scheme? (Choose two.)

1. The IP header options allow more efficient forwarding and less rigid length limits. 2. Some header fields have been dropped or made optional.

You use a computer named Wkst1 on a TCP/IP network, which is installed with an application that uses UDP to send a file from your computer to a computer named Wkst2. Data collisions occur, and several data packets are lost during transmission. What will most likely occur as a result of losing the packets during transmission? (Choose two.)

1. The application will automatically retransmit the packets. 2. The protocol will drop the packets.

What is the operating range for Class 2 Bluetooth devices at the maximum transmission speed?

10 meters or 33 feet

Which IP address is used by a Class A private network?

10.0.0.0

Which of the following is a valid Automatic Private IP Addressing (APIPA) address?

169.254.2.120

Which IP address is used by Class B private networks?

172.16.0.0

Which radio frequency band does the 802.11b standard use?

2.4 GHz

Which operating frequency band is used by Bluetooth technology?

2.4 GHz to 2.485 GHz

What is the maximum data transmission speed for Bluetooth technology?

3 Mbps

Which well-known UDP port does DNS use?

53

Which wireless technology is associated with the Internet of Things (IoT)?

5G

The characteristics match with the 802.11 specifications as follows: ??? - 5 GHz, up to 54 Mbps ??? - 2.4 GHz, up to 11 Mbps ??? - 2.4 GHz, up to 54 Mbps ??? - 2.4 or 5 GHz, up to 600 Mbps ??? devices are backwards compatible with 802.11b devices.

802.11a - 5 GHz, up to 54 Mbps 802.11b - 2.4 GHz, up to 11 Mbps 802.11g - 2.4 GHz, up to 54 Mbps 802.11n - 2.4 or 5 GHz, up to 600 Mbps 802.11g devices are backwards compatible with 802.11b devices.

You need to connect two computers for a customer. The customer does not have a network and does not wish to purchase a concentrator, but both computers include functional Ethernet network interface cards with RJ-45 connectors. Which component will allow you to meet your customer's needs?

A crossover cable

Your company has a wired 1000BaseT small office network that connects to the Internet via a DSL connection. Users have been issued laptop computers that have wireless network cards. A wireless network must be set up for these users. The wireless network will need access to the internal network and the Internet. While configuring the wireless access point, you change the administrative username and password and change the SSID from its default setting. Then you disable SSID broadcasts. Finally, you enable MAC filtering and configure the list of MAC addresses that are allowed to connect via the wireless network. Now you need to connect the wireless access point to your local network. To which device should it be connected?

A router

Which address is a MAC address?

AD-4F-C1-A9-12-CB

The IPv6 address types should be matched with the given IPv6 addresses as follows: APIPA - ?? Private - ?? Loopback - ??

APIPA - fe80::/10 Private - fc00::/7 Loopback - ::1/128

Which of these devices is primarily associated with wireless networks?

Access Points

The IPv4 address types should be matched with the given IPv4 addresses as follows: ? - 12.174.25.98 ? - 162.58.123.84 ? - 219.214.211.167 ? - 169.254.1.1 ? - 172.16.2.3 ? - 127.0.0.1 ? - 225.47.72.63

Class A - 12.174.25.98 Class B - 162.58.123.84 Class C - 219.214.211.167 APIPA - 169.254.1.1 Private - 172.16.2.3 Loopback - 127.0.0.1 Multicast - 225.47.72.63

You are an IT technician at your company. The company has two small offices in different cities. The company's head office contains a DNS server and a DHCP server. The branch office does not contain a DHCP server. A user travels frequently between the head office and the branch office. You are configuring the IP address on this user's laptop. You must ensure that the user is able to connect to the Internet from both offices. How should you configure the Internet Protocol (TCP/IP) Properties dialog box on the user's laptop while expending the least administrative effort?

Configure the General tab to use the DHCP server at the head office. Configure a static IP address from the branch office network range on the Alternate Configuration tab.

You administer a TCP/IP network. You want to enable the hosts on your network to be automatically configured with IP configurations such as an IP address, subnet mask, and default gateway address. The IP configurations should be leased to the clients for a limited period. Which protocol should you use to accomplish this task?

DHCP (Dynamic Host Configuration Protocol)

When designing a network, which network configuration concept would you use to easily configure the IP address of printers, projectors, routers, or wireless access points?

DHCP Reservations

Which statement is TRUE concerning DHCP?

DHCP is used to automate IP address assignment.

Which of the following server roles is responsible for the assignment of IP addresses?

DHCP server

Which of the following is NOT an Internet appliance?

DNS

You have implemented a hardware firewall on a small office network. You need to ensure that all HTTP packets are automatically sent to the web server. What should you do?

Enable port forwarding

Your company has a wireless network for its small office network. The wireless network does not broadcast its service set identifier (SSID). You configure a user's Windows Vista computer to connect to the wireless network by manually setting the SSID. You need to ensure that the user's computer does not send probe requests to discover if the wireless network is in range. What should you do?

Ensure the Connect even if the network is not broadcasting option on the Connections tab of the wireless connection is cleared.

What would allow you to install a wired network without running additional network cables?

Ethernet over Power

Which protocol is used by Active Directory?

LDAP (lightweight Directory Access Protocol)

Your company has both a wired and a wireless network. You have been asked to increase the security of the wireless network. Which of the following options should you implement?

MAC filtering

You have deployed several 802.11b wireless networks at your company's location. Recently, users complained that they were having trouble connecting to the wireless networks. After troubleshooting, you determine that each wireless network is using different non-overlapping channels. You suspect that the problem is being caused by interference. Which device can cause interference with the WLANs?

Microwave Ovens

Which applications use UDP?

NFS, TFTP, SNMP

Which of the following might you find on a network in a legacy system?

NetBEUI protocol

Which type of address does a hardware vendor assign?

Physical device address

The protocols given use these default ports: Port 20 - ??? Port 23 - ??? Port 25 - ??? Port 53 - ??? Port 80 - ??? ??? also uses port 21, but it was not listed in this scenario.

Port 20 - FTP Port 23 - Telnet Port 25 - SMTP Port 53 - DNS Port 80 - HTTP FTP also uses port 21, but it was not listed in this scenario.

The protocols given use these default ports: Port 21 - ??? Port 110 - ??? Port 143 - ??? Port 443 - ??? Port 3389 - ??? ??? also uses port 20, but it was not listed in this scenario.

Port 21 - FTP Port 110 - POP3 Port 143 - IMAP Port 443 - HTTPS Port 3389 - RDP FTP also uses port 20, but it was not listed in this scenario.

Jeffrey wants to purchase some software for his department from Dreamsuites.com. After researching company policies, you inform him that he can only make the purchase if it is from a secure site. Which port and protocol qualify as secure?

Port 443 HTTPS

For what purpose have IP addresses in the 192.168.0.0 through 192.168.255.255 range been reserved?

Private Networks

Wireless users who are using a 5 GHz wireless access point are experiencing issues when conferencing through Skype for Business. You need to improve their connectivity. What wireless settings should you configure?

QoS (Quality of Service)

Which of these wireless networking protocols would most likely be employed in an anti-theft alarm system in a retail store?

RFID (Radio Frequency Identification)

While performing routine maintenance on your company's firewall, you discover that port 3389 is open. Which service uses this port?

Remote Assistance

What piece of equipment would help transmit an Ethernet signal to the far end of a hotel that is 400 meters (m) long?

Repeaters

A user who is obviously inexperienced calls in and tells you the following: "My cable TV was just installed. I went to the computer store and bought a device to help me get on the Internet. After I put it together, it looks like an upside-down spider. There are some lights blinking on it, but my computer won't let me see Facebook." What is the most likely cause of the user's issue?

Router/switch functionality

You administer your company's 100BaseTX Ethernet network. TCP/IP is the networking protocol used on the network. You want the routers on the network to send you notices when they have exceeded specified performance thresholds. Which protocol should you use to enable the routers to send the notices?

SNMP (Simple Network Management Protocol)

A user needs to connect to a wireless network. Which information must be provided to connect?

Service set identifier (SSID)

You are setting up an 802.11a wireless network in a small office environment that includes three wireless access points. The wireless access points are at least 15 meters apart and are configured for automatic channel setting. Each time you turn the wireless access points on, they choose the same channel. You need to ensure that the access points choose separate channels to prevent interference, using the least amount of administrative effort. What should you do?

Start each wireless access point at a separate time.

You administer computers on a Microsoft Windows 2003 TCP/IP network. On the network, you want to use a domain name-to-Internet Protocol (IP) address name resolution system that provides a central database on a server to resolve domain names to IP addresses. Which options should you implement on your network?

The Doman Name System (DNS)

A user contacts you regarding an end-user device configuration issue. He is installing a new smart-home device that will replace an older device. The old device has two large wires and is marked 100 VAC. The new device has many wires in multiple colors. What is the user trying to install?

Thermostat

You have a single switch, and you need to separate the network traffic for the Marketing and Accounting departments. What would be the easiest way to accomplish this?

VLAN

Which of the following is an example of an IPv6 address?

fe80::200:f8ff:fe21:67cf