Missing subnet mask D. A technician needs to run a network cable to a remote building, which is approximately 15 kilometers from his base station. What is the maximum distance of SMF cable? You have been asked to install a run of RG cable from one end of a building to the other. What is the maximum distance for this type of cable run? SMB B.
SSH C. SFTP D. Which of the following network connectivity devices operate at Layer 2 of the OSI model? Switch C. Bridge D. In IPv4, what is the function of the subnet mask? It tells hosts where to route packets. It differentiates between the network ID and host ID. It determines which subnet the host is on. It masks external networks from the host.
TCP C. UDP D. FTP B. SFTP C. SMB D. You are given a network configuration of When you configure your network hosts, what subnet mask should you assign them? Which Wi-Fi standard specifies a maximum of 54 Mbps transmissions in the 2.
What port does the Telnet protocol use? You have just installed a wireless The IT manager is concerned about competitors intercepting the wireless signal from outside the building. Which tool is designed to test how far your wireless signal travels?
Tone generator and probe B. Protocol analyzer C. Packet sniffer D. Some of your network users are concerned about submitting confidential information to an online website.
What should you tell them? ICMP B. TCP D. Which type of IPv6 address identifies a single node on the network? Multicast B. Anycast C. Unicast D. You are configuring a wireless When setting it up, which security option should you choose? WPA2 B. WPA C. WEP D. What type of network covers large geographical areas and often supports thousands of users?
LAN B. WAN C. PAN D. RDP B. SMB C. CIFS D. What port does the SSH protocol use? Which of the following IP addresses is not routable on the Internet? Which network connectivity device does not forward broadcast messages, thereby creating multiple broadcast domains?
You have a desktop computer that is behaving erratically on the network. The wired connection will often disconnect without warning. Which tool should you use to troubleshoot the network adapter? Multimeter B. Tone generator and probe C. Cable tester. Your company just expanded and is leasing additional space in an adjacent office building.
You need to extend the network to the new building. Fortunately, there is a conduit between the two. You estimate that the cable you need to run will be about meters long. What type of cable should you use? CAT5 B. CAT5e C. CAT7 D. You want to ensure that client computers can download email from external email servers regardless of the protocol their email client uses.
Which ports do you open on the firewall to enable this? You are installing network cabling in a highly secure facility. The cables need to be immune to electronic eavesdropping. Fiber-optic B. UTP C. STP D. Which networking device is capable of reading IP addresses and forwarding packets based on the destination IP address? Which network device is designed to be a security guard, blocking malicious data from entering your network?
PoE injector B. Firewall D. What configuration parameter specifies the address of the router that enables Internet access? Subnet mask B.
DHCP server C. Default gateway. What port do you need to ensure is open on the firewall to grant her access? What type of network is most commonly associated with Bluetooth devices and covers a small area?
ICMP C. ARP D. Which of the following IPv6 addresses is equivalent to an address in the You need to configure a wireless router for an office network.
The office manager wants new devices to be able to automatically join the network and announce their presence to other networked devices. Which service should you enable to allow this? DHCP B. NAT C. QoS D. Which of the following statements are true? The computer will not be able to get on the Internet. The computer will be able to get on the Internet. The computer is configured with a link local unicast address. The computer is configured with a global unicast address.
You have set up your web server to function as an FTP server as well. Users on the Internet complain that they are not able to access the server using FTP clients.
What port are they trying to access the server on? You are configuring network hosts with static IP addresses. You have chosen to use a class B network address. What is the default subnet mask that you should configure on the hosts? You are installing a new network and working in a wiring closet. You need to attach several network cables to a block. Which tool should you use to perform this task?
Crimper B. Cable stripper C. Cable tester D. Punchdown tool. Which of the following Internet connection types offers the fastest download speeds? Cable B. DSL C. Fiber-optic D. For IPv6, which of the following statements are not true? Each IPv6 interface can have only one address. Each IPv6 interface is required to have a link local address. IPv6 addresses are incompatible with IPv4 networks. IPv6 no longer uses broadcasts.
Which of the following network architecture devices operate at Layer 1 of the OSI model? Switch B. Hub C. Extender D. AFP C. ATP D. Which of the following IPv6 addresses is equivalent to A technician is configuring a wireless For security purposes, he enables the firewall. He wants to configure it so that if a computer makes an outbound request on a specific port, subsequent inbound traffic on that port would be allowed through the firewall.
Which option does he need to configure to manage these settings? Port forwarding B. Port triggering C. NAT D. You are asked to perform consulting work for a medium-sized company that is having network connectivity issues. When you examine the patch panel, you notice that none of the dozens of UTP cables are labeled. Which tool can you use to identify which cable goes to which workstation? Loopback plug C. Punchdown tool D. DNS B. DHCP C.
RDP D. Which networking device works at Layer 2 of the OSI model, has multiple ports in which each is its own collision domain, and examines the header of the incoming packet to determine which port it gets sent to?
A technician is going to set up a Wi-Fi network using standard omnidirectional antennae. Because of the building configuration, transmitting signals for the greatest distance is his primary criterion. Which standard should he choose? You are troubleshooting an intermittently failing CAT7 network connection. You suspect that there is a short in the connection. Which tool can you use to determine this? Multimeter D. SNMP B. LDAP D. Multiple buildings in a single country B. Multiple buildings in many countries C.
Single tenant building with employees D. Small office or home office with employees. Which Wi-Fi encryption standard was the first to include the use of a bit dynamic per-packet encryption key? WEP B. WPA2 D. You are installing an The access points are set up so their ranges overlap each other. To avoid communications issues, what principle should you follow when configuring them?
Configure all access points to use the same channel. Configure all access points to use adjacent channels. Configure all access points to use nonoverlapping channels. Channel configuration will not cause communications issues. She needs to connect two computers to each other, but it will be impossible to run a network cable between them. Which technology can help her network these computers?
Ethernet over power B. Power over Ethernet C. Access point. You have been asked to install a Wi-Fi network in a building that is approximately meters long and 25 meters wide.
Because of cost considerations, you will need to use At a minimum, how many wireless access points will you need? Two B. Three C. Four D. You are installing network cabling in a drop ceiling of an office space. The ceiling area is used to circulate breathable air. What type of cable do you need to install? Coaxial B. You need to install a wireless hub in a drop ceiling where there is no access to a power source.
Which technology will allow you to get power to that device? Wireless access point D. Which of the following IP addresses is not a private address and therefore is routable on the Internet? Which setting do you need to configure to enable this?
QoS B. UPnP C. DMZ D. Port forwarding. If you are connecting to a website that encrypts its connection using TLS, what port does that traffic travel on?
Your network is currently running a mix of At the end of the year, you have extra budget to upgrade some, but not all, of the wireless infrastructure. You want to upgrade to the newest technology but still maintain backward compatibility. Which standard should you choose? You are consulting with a small field office that needs a dedicated, digital point-to-point network connection to its parent office. Which Internet connection type will meet this requirement? Dial-up B. Cable C.
DSL D. What type of network spans multiple buildings or offices but is confined to a relatively small geographical area?
Which of the following shorthand notations corresponds to the CIDR subnet mask You are configuring hosts on a network running IPv4. Which elements are required for the computer to connect to the network? IP address B.
IP address and subnet mask C. IP address, subnet mask, and default gateway D. IP address, subnet mask, default gateway, and DNS server address. CIFS B. FTP D. Which of the following statements regarding IPv4 configuration is true? All hosts on a network must have a unique subnet mask. All hosts on a network must have their network ID set to all 1s. All hosts on a network must have a default gateway.
All hosts on a network must have a unique host address. Which Wi-Fi encryption standard uses a static key, which is commonly 10, 26, or 58 characters long? WPA B. WPA2 C. TKIP D. TCP B. UDP C. UDP Because of a recent security breach, your IT team shut down several ports on the external firewall. All your network hosts are configured to use DHCP. A technician is trying to establish a dial-up network connection using a legacy modem.
What is the fastest data throughput for a modem? You have reason to believe that several network users are actively browsing prohibited content on unsecured sites on the Internet.
Which port can you disable on the firewall to immediately stop access to these websites? ARP B. RARP C. DHCP D. You need to install an Internet connection for a forest ranger outlook tower, located far away from electrical lines.
Which option would be best for broadband Internet access? ISDN D. What type of network is typically defined as being contained within a single office or building? Which port is AFP capable of using? You are installing a wireless network for a small company.
It wants to have Mbps or better wireless transmission rates. Which of the following standards will allow you to provide this? IPX B. SPX C. NetBT D. What networking protocol allows systems to discover local systems and other devices? DNS C. HTTP D. Which of the following features does not require a managed network switch? Priority of traffic B.
VLAN configuration C. Directing Layer 2 traffic D. The senior network administrator struggles to configure company network devices spanning several cities. The challenge is because he is required to be on premises for the network infrastructure of each building. What would be a cost-effective solution? Employ network administrators at each building. Go to a flat network. Train a local sales associate. Employ a cloud-based network controller. What is the maximum distance allowed between a power over Ethernet injector and the Ethernet device?
When setting up a small office, home office SOHO network, what end-user device configuration must be performed? Network switch broadcasts configuration settings. Devices utilize service location protocol.
End users configure as needed. What is the typical method for IoT device configuration to connect to the wireless network? SLP D. What method is effective in defining how a firewall allows outbound access when the group of approved devices rarely changes? MAC filtering B. Dynamic DNS C. Whitelist D. What firewall rule technique allows only a known list of applications or traffic as legitimate? What communication technology establishes connectivity between enabled devices only when the devices are placed within 4 cm of each other?
RFID B. What communication technology allows for low power, close-proximity passive reading of a small tag or patch on an object? FTP server B. Proxy server C. File server D. Web server. What server would function as a central repository of documents and provide network shared file storage for internal users?
What server sits between the protected, controlled network and the public Internet, functioning as a gatekeeper of traffic? What type of server can host files for easy access and fetching, similar to how a web server serves web pages? What server is added to a company infrastructure to avoid the need to attach printers to each individual desktop? Syslog server B. DNS server C. Print server D.
Authentication server. What server is used to resolve domain names to IP addresses to facilitate web browsing or locating a directory resource on the network? What service can collect and journal all the system-generated messages produced by servers and network devices?
A company wanting to monitor network traffic or host system behavior to identify suspect activity will install what type of service? Proxy server B. IDS C. UTM D. IDS works both on a host and a network. IDS will not actively alert on suspect activity. IPS works in pairs. IPS will actively react to suspect activity. Your client is interested in a security device that will take action when suspicious activity is identified, as well as filter traffic and perhaps also provide some antivirus functionality.
What type of device is the client looking for? Firewall C. Your client is now looking at improving control over all the user devices. Particularly, the client wants resource access controlled based on policy and the users meeting a few criteria. What device would you suggest? End-point management server B. Perimeter authentication server C. SFTP server. Last weekend you installed and booted several more computers to be ready for Monday morning. Later Monday morning you hear from employees as they come in that they cannot log in.
You investigate and find that each faulty workstation has a What might you look at next? DHCP reservation B. LAN connector broken C. Windows patch unable to install D. Corrupted Registry.
What network segmentation technique reduces broadcast domains? VPN B. VLAN C. BGP D. What connectivity technique can ensure that your network traffic is encrypted from endpoint to endpoint? Which of the follow components is not typically found in a wireless mesh network WMN? WMN router B. WMN gateway C. WMN server D. Of the following fiber connectors, which is used for duplex two strands instead of one? What twisted pair connectors are commonly found for telephone wire?
RJ B. Coaxial C. Using the TB wiring standard on both ends of a cable would produce what type of network cable? TB on both ends is not a working network cable. TB is a telephone wiring standard. TB on both ends is a crossover network cable. TB on both ends is a straight-through network cable. What IoT device configuration most likely includes continuous remote monitoring? Thermostat B. Light switches C. Security cameras D. The CS software comes with multiple features including the self-assessment feature.
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