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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? bắt đầu học
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router, switch, access point
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Which two devices are commonly powered by PoE? bắt đầu học
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Which two types of signal interference are reduced more by STP than by UTP? bắt đầu học
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When would a printer be considered a network host? bắt đầu học
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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 bắt đầu học
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How many devices can a Bluetooth device connect to simultaneously? bắt đầu học
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Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame? bắt đầu học
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What is a common function of a proxy server? bắt đầu học
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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? bắt đầu học
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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? bắt đầu học
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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? bắt đầu học
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Which pairs of wires change termination order between the 568A and 568B standards? bắt đầu học
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Which device provides wireless connectivity to users as its primary function? bắt đầu học
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Which type of connection to the Internet is capable of the fastest transfer rates? bắt đầu học
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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? bắt đầu học
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Which well-known port number is used by the DHCP (client) protocol? bắt đầu học
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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? bắt đầu học
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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? bắt đầu học
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Which network device would be the most appropriate to provide stateful packet filtering, email filtering, and VPN services? bắt đầu học
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Which smart home wireless technology has an open standard that allows up to 232 devices to be connected? bắt đầu học
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Which network device allows administrators to remotely manage many devices through one dashboard interface? bắt đầu học
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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? bắt đầu học
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Which type of server would support the SMTP, POP, and IMAP protocols? bắt đầu học
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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? bắt đầu học
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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 bắt đầu học
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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? bắt đầu học
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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? bắt đầu học
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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? bắt đầu học
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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? bắt đầu học
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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? bắt đầu học
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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? bắt đầu học
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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? bắt đầu học
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A technician is searching through a storage locker and finds a PoE injector. What is the purpose of this device? bắt đầu học
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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? bắt đầu học
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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? bắt đầu học
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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? bắt đầu học
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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? bắt đầu học
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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? bắt đầu học
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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? bắt đầu học
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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? bắt đầu học
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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? bắt đầu học
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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? bắt đầu học
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A technician is searching through a storage locker and finds a firewall. What is the purpose of this device? bắt đầu học
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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? bắt đầu học
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What is a feature of a dial-up connection? bắt đầu học
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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? bắt đầu học
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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? bắt đầu học
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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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