Domain 2: Networking CompTIA A+ 220-1101 (Core 1)
Which of the following represents the valid decimal range of an IPv4 address?
0 to 255
Which data transmission rate is defined by the IEEE 802.11b wireless standard?
11 Mbps
Which frequencies does Zigbee operate on?
2.4 GHz
Which of the following is the maximum transmission speed for Bluetooth v3 and v4 devices when using High Speed (HS) mode?
24 Mbps
What is the maximum distance between hops that is allowed by a Z-Wave device on a mesh network?
250 feet
Which of the following are characteristics of the 802.11g wireless standard? (Select three.) Operates in the 5.75 GHz range. Backwards compatible with 802.11a devices. Maximum bandwidth of 54 Mbps. Backwards compatible with 802.11b devices. Maximum bandwidth of 11 Mbps. Operates in the 2.4 GHz range.
3, 4, and 6
You are currently using a cellular network plan that provides maximum speeds of up to 10 Gbps for your smart phone. Which of the following cellular network types are you using?
5G
Which wireless standard can stream data at a rate of up to 54 Mbps using a frequency of 5 GHz?
802.11a
You have been contacted by OsCorp to recommend a wireless internet solution. The wireless strategy must support a transmission range of 150 feet, use a frequency range of 2.4 GHz, and provide the highest possible transmission speeds. Which of the following wireless solutions should you recommend?
802.11g
You have recently purchased a toll pass for a bridge that you cross each day on your way to work. Which of the following wireless technologies is MOST likely being used for this pass?
Active RFID
Which of the following types of internet connection services allows you to be truly mobile while maintaining your internet connection?
Cellular
Your employer wants a system that guarantees that all components will work together with minimal configuration and setup. Time is of the essence in getting this new system ready. Which of the following would BEST meet your employer's needs?
DCS
Which email authentication technology performs all of the tasks listed below? Verifies the email sender. Tells the recipient what to do if no authentication method passes. Allows the recipient to tell the sender about messages that pass or fail authentication.
DMARC
You want to implement name resolution on the Linux workstations in your company. Which protocol should you use to do this?
DNS
Which of the following are IoT systems that work together to make communication between two endpoints possible? (Select two.) Access gateway Data storage Wi-Fi Middleware Gateway system
Data storage and gateway system
A technician has configured a client computer's network interface with server addresses to which the client will send requests for translating fully qualified domain names (FQDNs) to IP addresses and IP addresses to FQDNs. Which of the following TCP/IP suite protocols is used by the client to perform the request and also used by a server to respond to those requests?
Domain Name System (DNS)
A technician has configured a client computer's network interface to request an IP address. Which of the following TCP/IP suite protocols does the client computer use to perform the request and receive an IP address from a server?
Dynamic Host Configuration Protocol (DHCP)
You are assembling components in a network rack and need a device that connects three network segments. Which of the following devices will meet your networking needs?
Ethernet router
Which of the following components of a IPv4 address will be unique for each network device?
Host ID
Which of the following protocols is used by an email client to retrieve messages from an email server, giving users the option to keep mail messages on the server?
IMAP
Which of the following UTM appliances monitors all network traffic and blocks malicious traffic while notifying the network security team?
IPS
One of your customers has a long range wireless network that connects two company office buildings together. The buildings are several hundred yards apart. You have licensed a frequency range of 3.65 GHz to transmit signals between the buildings. However, the wireless connection is not performing ideally, and it sometimes drops connections. Which of the following is the BEST immediate solution to try to resolve this issue?
Increase the power to the access points.
Which of the following actions would allow you to access the internet on your laptop via a cellular network?
Install a cellular USB adapter in a open port on your laptop.
A printer is behaving erratically; you suspect a faulty parallel port. Which tool can you use to test the parallel port?
Loopback plug
Which of the following locations will contribute the greatest amount of interference to a wireless access point?
Near backup generators and cordless phones
What are two major concerns regarding IoT devices?
Privacy and Hacking
Which of the following items of information does a packet header contain?
Receiver, sender, and data chunk order
Which of the following DHCP scope options will assign a static IP configuration to a device using the device's MAC address?
Reservation
Which device is responsible for forwarding traffic in between networks?
Router
Which of the following is a specialized controller that you can use to remotely manage all your network devices?
SDN
A homeowner's connection to the internet is through an always-on modem that connects to existing telephone wiring and has the same upload and download speeds. The homeowner is able to make analog phone calls over the same wiring at the same time. Which of the following internet connection types are they using?
SDSL
You've used your Windows workstation to map a drive to a shared folder on a Windows server. Which protocol was used to access the share?
SMB
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 LAN devices receives a signal on one port and forwards that signal only to the port where the destination device is connected?
Switch
You are a software developer, and you're creating a multimedia streaming application. Data will be streamed from your streaming server to clients over IP networks. Which transport protocol should your application use to send data between the clients and the server?
UDP
You are working as a junior security technician for a consulting firm. One of your clients is upgrading their network infrastructure. The client needs a new firewall and intrusion prevention system installed. They also want to be able to block employees from visiting certain types of websites. The client also needs a VPN. Which of the following internet appliances should you install?
Unified Threat Management
Which of the following is an inherent vulnerability of embedded devices?
Unknown environments
The router below provides several ports for connecting two or more network segments or subnets. The port circled in red is a small form-factor pluggable (SFP) connector. Which type of network can connect to this port?
WAN
A SOHO's connection to the internet is through an antenna that sends and receives a microwave signal to the ISP's antenna. There can be no obstacles on the direct path between the two antennae. Which of the following internet connection types is this?
WISP
Which of the following load balancer algorithms takes each server's active connections and processing power into consideration?
Weighted least connections
You are currently learning about networking devices and have just learned about MAC addresses. You look up your device's MAC address, and it comes back as 00-B0-D0-06-BC-AC. Which portion of this MAC address can tell you who the manufacturer is?
00-B0-D0
Which of the following is the maximum range of the Bluetooth 2.0 specification?
30 meters
Which of the following are not valid IPv4 addresses? (Select three.) 45.22.156.256 116.0.0.116 122.0.0.0 145.8.260.7 132.64.32.8 1.55.254.3 257.0.122.55
45.22.156.256 145.8.2607 257.0.122.55
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
You've just installed the DNS service on a Windows server. Which port must be opened on the server's firewall to allow clients to access the service?
53
You want to configure a Windows workstation with your network proxy server's IP address from Control Panel using the Internet Properties window. Click on the tab in the Internet Properties window that you would use to do this.
Connections
Which of the following keeps track of various network devices while ensuring that the software is secure?
Endpoint management server
You are the network administrator for a small consulting firm. The firm has recently rolled out a new intranet site, and you are responsible for configuring the DNS. You are able to connect to the intranet site by using the IP address, but you cannot connect by using the hostname. Which of the following do you need to configure to access the site with the hostname?
Forward lookup zone
You are working as a junior network technician for the local hospital system. Part of your duties include adding IT news and updates to the hospital's internal web site. The website is only accessible to employees when they are connected to the hospital network. What is this type of website known as?
Intranet
Which of the following BEST describes how a switch functions? It connects multiple cable segments for different architectures and translates data packets to forward them to the appropriate host. It connects multiple cable segments for different architectures and translates data packets to broadcast them to all connected hosts. It connects multiple cable segments or hosts and forwards data packets to the appropriate host. It connects multiple cable segments or devices and broadcasts data packets to all of its connected hosts.
It connects multiple cable segments or hosts and forwards data packets to the appropriate host.
Your workstation is unable to communicate with any other computer on the network. Which of the following tools should you use to test the network card's abilities to send and receive signals?
Loopback plug
Which network protocol do controller systems use to communicate with each other?
Modbus
