Networking Essentials Exam Review Questions & Correct Answers 2024.

Networking Essentials Exam Review Questions & Correct Answers 2024. What are two advantages of using fiber-optic cabling to interconnect devices? (Choose two.) Fiber-optic cable is immune from EMI and RFI. Fiber-optic cables can extend several miles. The functions of which two layers of the OSI model are matched to the network access layer of the TCP/IP model? (Choose two.) physical data link What is the minimum size of a valid Ethernet frame? 64 bytes A network design engineer has been asked to design the IP addressing scheme for a customer network. The network will use IP addresses from the 192.168.30.0/24 network. The engineer allocates 254 IP addresses for the hosts on the network but excludes 192.168.30.0/24 and 192.168.30.255/24 IP addresses. Why must the engineer exclude these two IP addresses? 192.168.30.0/24 is the network IP address and 192.168.30.255/24 is the IP broadcast address. Which protocol is used to automatically assign IP addresses to hosts? DHCP What are three advantages of using private IP addresses and NAT? (Choose three.) conserves registered public IP addresses hides private LAN addressing from outside devices that are connected to the Internet permits LAN expansion without additional public IP addresses What was the reason for the creation and implementation of IPv6? to relieve IPv4 address depletion Which three pieces of information are identified by a URL? (Choose three.) the protocol that is being used the domain name that is being accessed the location of the resource Which protocol is used by web servers to serve up a web page? HTTP Why do streaming audio and video applications use UDP instead of TCP? Streaming audio and video applications cannot tolerate the delay caused by retransmission. What is a disadvantage of deploying a peer-to-peer network model? lack of centralized administration What is a purpose of an IP address? It identifies the source and destination of data packets.