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A set of 20 questions and answers related to networking concepts. It covers various aspects of networking, including network addressing, mac sublayer functions, ethernet communication, network protocols, and wireless technologies. The questions are designed to test understanding of fundamental networking principles and technologies.
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Refer to the exhibit. A network engineer has been given the network address of 192.168.99.0 and a subnet mask of 255.255.255.192 to subnet across the four networks shown. How many total host addresses are unused across all four subnets? - ANSWERS Which two functions are performed at the MAC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.) - ANSWERS-places information in the Ethernet frame that identifies which network layer protocol is being encapsulated by the frame -applies source and destination MAC addresses to Ethernet frame Which connector is used with twisted-pair cabling in an Ethernet LAN? - ANSWERSRJ 45 A client packet is received by a server. The packet has a destination port number of 22. What service is the client requesting? - ANSWERSSSH What characteristic describes an IPS? - ANSWERSsoftware that identifies fast- spreading threats What service is provided by DHCP? - ANSWERSDynamically assigns IP addresses to end and intermediary devices Which two functions are performed at the LLC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.) - ANSWERS-enables IPv4 and IPv to utilize the same physical medium -handles communication between upper layer networking software and Ethernet NIC hardware
Which two functions are performed at the LLC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.) - ANSWERS-adds Ethernet control information to network protocol data -enables IPv4 and IPv6 to utilize the same physical medium Which two functions are performed at the MAC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.) - ANSWERS-implements CSMA/CD over legacy shared half-duplex media -integrates Layer 2 flows between 10 Gigabit Ethernet over fiber and 1 Gigabit Ethernet over copper Which two functions are performed at the MAC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.) - ANSWERS-places information in the Ethernet frame that identifies which network layer protocol is being encapsulated by the frame -applies source and destination MAC addresses to Ethernet frame Which wireless technology has low-power and low-data rate requirements making it popular in IoT environments? - ANSWERSZigbee