TCN 4211 Final Exam Review Questions and Answers Latest Update

TCN 4211 Final Exam Review Questions and Answers Latest Update Which of the following provides the media (wired or wireless) to facilitate the transfer of data? - Answers LAN Which device makes traffic-forwarding decisions based on MAC addresses? - Answers Switch A company has various locations in a city interconnected using Metro Ether- net connections. This is an example of what type of network. - Answers MAN A network formed by interconnecting a PC to a digital camera via a USB cable is considered what type of network? - Answers PAN Which of the following physical LAN topologies requires the most cabling? - Answers Star Which of the following topologies offers the highest level of redundancy? - Answers Full mesh How many WAN links are required to create a full mesh of connections between five remote sites? - Answers 10 Identify two advantages of a hub-and-spoke WAN topology as compared to a full-mesh WAN topology. - Answers Lower cost More scalable Which type of network is based on network clients sharing resources with one another? - Answers Peer-to-peer Which of the following is an advantage of a peer-to-peer network, as com- pared with a client/server network? - Answers Less expensive What type of wireless topology features the use of access points to facilitate network communications? - Answers Infrastructure What network type would help facilitate communications when large video or audio files need to be housed and transferred through the network? - Answers SAN Which layer of the OSI reference model contains the MAC and LLC sublayers? - Answers Data link layer Which approach to bandwidth usage consumes all the available frequencies on a medium to transmit data? - Answers Baseband Windowing is provided at what layer of the OSI reference model? - Answers Transport layer IP addresses reside at which layer of the OSI reference model? - Answers Network layer Which of the following is a connectionless transport layer protocol - Answers UDP Identify the four layers of the TCP/IP stack. (Choose four.) - Answers Transport layer Internet layer Application layer Network interface layer What is the range of well-known TCP and UDP ports? - Answers Below 1024 Which protocol supports a secure connection to a remote host via terminal emulation software? - Answers SSH Identify the well-known UDP port number for NTP. - Answers 123 Identify three e-mail protocols. (Choose three.) - Answers SMTP POP IMAP Which of the following is a VoIP signaling protocol used to set up, maintain, and tear down VoIP phone calls? - Answers SIP Which of the following categories of UTP cabling are commonly used for 1000BASE-T networks? (Choose two.) - Answers Cat 5e Cat 6 Which type of cable might be required for installation in a drop ceiling, which is used as an open-air return duct? - Answers Plenum Which network infrastructure device primarily makes forwarding decisions based on Layer 2 MAC addresses? - Answers Switch A router operating at Layer 3 primarily makes its forwarding decisions based on what address? - Answers Destination IP address Identify two differences between an Ethernet bridge and an Ethernet switch. (Choose two.) - Answers Switches use ASICs to make forwarding decisions, whereas bridges make their forwarding decisions in software. Switches usually have higher port densities than bridges. A router/switch has 12 ports. How many broadcast domains does the router/switch have? - Answers 12 What is the first DHCP message sent by a client attempting to obtain IP address information from a DHCP server? - Answers DHCPDISCOVER What specialized network device is commonly used to load-balance traffic across multiple servers in a group? - Answers Content switch What IoT technology is specialized for monitoring sensor data and is ulti- mately led by Garmin? - Answers Ant+ Automating the management and configuration of many different network devices thanks to a centralized controller refers to what technology? - Answers Software-defined networking