Networking Final Part 20

Which wireless technology has low-power and low-data rate requirements making it popular in IoT environments?

Zigbee

Which two functions are performed at the LLC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.)

-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 LLC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.)

-enables IPv4 and IPv6 to utilize the same physical medium -handles communication between upper layer networking software and Ethernet NIC hardware

Which two functions are performed at the MAC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.)

-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.)

-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

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?

200

What service is provided by DHCP?

Dynamically assigns IP addresses to end and intermediary devices

Which connector is used with twisted-pair cabling in an Ethernet LAN?

RJ 45

A client packet is received by a server. The packet has a destination port number of 22. What service is the client requesting?

SSH

What characteristic describes an IPS?

software that identifies fast-spreading threats