- What is switch and its functions?
- Which two tasks are functions of the presentation layer?
- What are the features of a router?
- Why is the router important?
- What is the function of a hub?
- What type of communication rule would best describe CSMA CD?
- What are the three primary functions provided by layer 2 data encapsulation?
- What is the function of the router in the topology?
- Which WiFi router is best for me?
- What is difference between switch and router?
- What is the function of modem?
- What are two actions performed by a Cisco switch?
- Which three statements characterize UDP choose three?
- What is a characteristic of multicast messages?
- What are the main functions of a router?
- What are the two functions of Nvram?
- What are the 3 basic functions of a switch?
- What are the main functions of a router quizlet?
- What are three characteristics of multicast transmission choose three?
- What is the main function of switch?
- What is WiFi burst?
What is switch and its functions?
A switch is a device in a computer network that connects other devices together.
Multiple data cables are plugged into a switch to enable communication between different networked devices.
Switches may also operate at higher layers of the OSI model, including the network layer and above..
Which two tasks are functions of the presentation layer?
Explanation: The presentation layer deals with common data format. Encryption, formatting, and compression are some of the functions of the layer. Addressing occurs in the network layer, session control occurs in the session layer, and authentication takes place in the application or session layer.
What are the features of a router?
Whether you’re seeking a business- or consumer-class router, here are the eight most essential features to look for.Wi-Fi access point. … Virtual LANs and multiple SSIDs. … VPN Server and Client. … USB port for printers or drives. … Malware and spam protection. … Dual or backup WAN port (or 4G support) … RADIUS server.
Why is the router important?
The router is a fundamental building block of modern business networks, providing traffic with a gateway to both the Internet and other networks. Routers make flexible cross-network communication possible, and allow larger networks to remain operational even during redesigns or outages.
What is the function of a hub?
A hub, also called a network hub, is a common connection point for devices in a network. Hubs are devices commonly used to connect segments of a LAN. The hub contains multiple ports. When a packet arrives at one port, it is copied to the other ports so that all segments of the LAN can see all packets.
What type of communication rule would best describe CSMA CD?
What type of communication rule would best describe CSMA/CD? Explanation: Carrier sense multiple access collision detection (CSMA/CD) is the access method used with Ethernet. The access method rule of communication dictates how a network device is able to place a signal on the carrier.
What are the three primary functions provided by layer 2 data encapsulation?
What are the three primary functions provided by Layer 2 data encapsulation? (Choose three.)error correction through a collision detection method.session control using port numbers.data link layer addressing.placement and removal of frames from the media.detection of errors through CRC calculations.More items…•
What is the function of the router in the topology?
Routers connect two or more networks to form larger internetworks. The routers must be configured to pass packets between two adjacent networks. The routers also should be able to pass packets to networks that lie beyond the adjacent networks. The following figure shows the basic parts of a network topology.
Which WiFi router is best for me?
Here are the best routers you can buy:Best router overall: Google Wifi.Best router for big homes: Linksys EA7500 router.Best router for gamers: Netgear Nighthawk X4S router.Best mesh Wi-Fi system: Netgear Orbi router.Best router for free parental controls: Gryphon Router.
What is difference between switch and router?
While a network switch can connect multiple devices and networks to expand the LAN, a router will allow you to share a single IP address among multiple network devices. In simpler terms, the Ethernet switch creates networks and the router allows for connections between networks.
What is the function of modem?
A modem modulates one or more carrier wave signals to encode digital information for transmission, and demodulates signals to decode the transmitted information. The goal is to produce a signal that can be transmitted easily and decoded reliably to reproduce the original digital data.
What are two actions performed by a Cisco switch?
What are two actions performed by a Cisco switch? (Choose two.)building a routing table that is based on the first IP address in the frame header.using the source MAC addresses of frames to build and maintain a MAC address table.forwarding frames with unknown destination IP addresses to the default gateway.More items…•
Which three statements characterize UDP choose three?
Which three statements characterize UDP? (Choose three.)UDP provides basic connectionless transport layer functions.UDP provides connection-oriented, fast transport of data at Layer 3.UDP relies on application layer protocols for error detection.UDP is a low overhead protocol that does not provide sequencing or flow control mechanisms.More items…•
What is a characteristic of multicast messages?
They are sent to a select group of hosts. They are sent to all hosts on a network. They must be acknowledged.
What are the main functions of a router?
A router is a networking device that forwards data packets between computer networks. Routers perform the traffic directing functions on the Internet. Data sent through the internet, such as a web page or email, is in the form of data packets.
What are the two functions of Nvram?
What are two functions of NVRAM? (Choose two.)to store the routing table.to retain contents when power is removed.to store the startup configuration file.to contain the running configuration file.to store the ARP table. Explanation: NVRAM is permanent memory storage, so the startup configuration file is preserved even if the router loses power.
What are the 3 basic functions of a switch?
Three basic functins of a switch are Learning, Forwarding and Preventing Layer 2 Loops.
What are the main functions of a router quizlet?
Terms in this set (12) A router[a] is a networking device that forwards data packets between computer networks. A router maintains a routing table that lists which route should be used to forward a data packet, and through which physical interface connection.
What are three characteristics of multicast transmission choose three?
What are three characteristics of multicast transmission? (Choose three.)The source address of a multicast transmission is in the range of 224.0. … A single packet can be sent to a group of hosts.Multicast transmission can be used by routers to exchange routing information.The range of 224.0.More items…
What is the main function of switch?
An electrical switch is any device used to interrupt the flow of electrons in a circuit. Switches are essentially binary devices: they are either completely on (“closed”) or completely off (“open”).
What is WiFi burst?
What is Frame Burst? Frame Burst is a way to transmission technique supported by the draft 802.11e QoS specification. Frame Bursting increases the throughput of any (point-to-point) 802.11a/b/g link by reducing the overhead associated with the wireless transmission.