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A customer is considering a multipurpose device to create a home network. Which three devices are usually integrated into a multipurpose network device? 学び始める
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router, switch, access point
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Which two devices are commonly powered by PoE? 学び始める
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Which two types of signal interference are reduced more by STP than by UTP? 学び始める
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When would a printer be considered a network host? 学び始める
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When it's connected to switch
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A network specialist has been hired to install a network in a company that assembles airplane engines 学び始める
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How many devices can a Bluetooth device connect to simultaneously? 学び始める
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Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame? 学び始める
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What is a common function of a proxy server? 学び始める
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to store frequently accessed web pages on the internal network
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What is a characteristic of a WAN? 学び始める
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It connects multiple networks that are geographically separated.
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What is the correct order of the layers of the TCP/IP model from the top layer to the bottom? 学び始める
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application, transport, internet, network access
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Which IEEE standard operates at wireless frequencies in both the 5 GHz and 2.4 GHz ranges? 学び始める
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Which pairs of wires change termination order between the 568A and 568B standards? 学び始める
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Which device provides wireless connectivity to users as its primary function? 学び始める
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Which type of connection to the Internet is capable of the fastest transfer rates? 学び始める
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A user needs to access the Internet from home. Which device is needed if a user connects to an ISP through the telephone network? 学び始める
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Which well-known port number is used by the DHCP (client) protocol? 学び始める
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A technician with a PC is using multiple applications while connected to the Internet. How is the PC able to keep track of the data flow between multiple application sessions and have each application receive the correct packet flows? 学び始める
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The data flow is being tracked based on the source port number that is used by each application.
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Which type of server would be used to keep a historical record of messages from monitored network devices? 学び始める
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Which network device would be the most appropriate to provide stateful packet filtering, email filtering, and VPN services? 学び始める
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Which smart home wireless technology has an open standard that allows up to 232 devices to be connected? 学び始める
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Which network device allows administrators to remotely manage many devices through one dashboard interface? 学び始める
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cloud-based network controller
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Which internet connection type is an always-on service that uses radio signals sent from a tower to a receiver in a home or business? 学び始める
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Which type of server would support the SMTP, POP, and IMAP protocols? 学び始める
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A client packet is received by a server. The packet has a destination port number of 21. What service application is the client requesting? 学び始める
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A client packet is received by a server. The packet has a destination port number of 137. What service application is the client requesting 学び始める
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A client packet is received by a server. The packet has a destination port number of 22. What service application is the client requesting? 学び始める
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A client packet is received by a server. The packet has a destination port number of 143. What service application is the client requesting? 学び始める
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A client packet is received by a server. The packet has a destination port number of 161. What service application is the client requesting? 学び始める
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A client packet is received by a server. The packet has a destination port number of 23. What service application is the client requesting? 学び始める
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A client packet is received by a server. The packet has a destination port number of 389. What service application is the client requesting? 学び始める
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A client packet is received by a server. The packet has a destination port number of 25. What service application is the client requesting? 学び始める
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A client packet is received by a server. The packet has a destination port number of 53. What service application is the client requesting? 学び始める
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A technician is searching through a storage locker and finds a PoE injector. What is the purpose of this device? 学び始める
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It is a device that can be inserted in the middle of a cable run to add power.
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A technician is searching through a storage locker and finds a managed switch. What is the purpose of this device? 学び始める
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It connects multiple end devices and can be configured for VLANs and port security.
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A technician is searching through a storage locker and finds a Powerline networking connector. What is the purpose of this device? 学び始める
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It is a device that uses existing electrical wiring to connect devices and sends data using specific frequencies.
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A technician is searching through a storage locker and finds a cable modem. What is the purpose of this device? 学び始める
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It connects a home or business network to a company that provides internet connectivity as well as television signals.
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A technician is searching through a storage locker and finds an unmanaged switch. What is the purpose of this device? 学び始める
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It is a device whose sole purpose is to connect end devices and to microsegment a LAN.
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A technician is searching through a storage locker and finds a DSL modem. What is the purpose of this device? 学び始める
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It connects the network of a user to the digital infrastructure of a phone company, providing always-on service.*
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A technician is searching through a storage locker and finds an access point. What is the purpose of this device? 学び始める
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It uses radio waves to provide network access to wireless devices.*
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A technician is searching through a storage locker and finds a router. What is the purpose of this device? 学び始める
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It connects networks and forwards traffic to remote networks by using IP addressing information.
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A technician is searching through a storage locker and finds a cloud-based network controller. What is the purpose of this device? 学び始める
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It is a device that allows a network administrator to manage many remote networking devices from a central location.
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Which technology is most often used to connect devices to a PAN? 学び始める
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A technician is searching through a storage locker and finds a firewall. What is the purpose of this device? 学び始める
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It is placed between two or more networks and protects data and equipment from unauthorized access.
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Which device acts as a termination point for cable runs and keeps cables secure and safely out of walkways? 学び始める
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What is a feature of a dial-up connection? 学び始める
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the use of an analog modem to transmit data over voice telephone lines
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A technician is searching through a storage locker and finds an Ethernet NIC. What is the purpose of this device? 学び始める
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It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.
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A technician is searching through a storage locker and finds a patch panel. What is the purpose of this device? 学び始める
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It provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.
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