Which ICMPv6 message is sent when the IPv6 hop limit field of a packet is decremented to zero and the packet cannot be forwarded? network unreachable time exceeded protocol unreachable…
A high school in New York (school A) is using videoconferencing technology to establish student interactions with another high school (school B) in Russia. The videoconferencing is conducted between two…
What property of ARP causes the NICs receiving an ARP request to pass the data portion of the Ethernet frame to the ARP process? The type field 0x806 appears in…
What property of ARP causes the request to be flooded out all ports of a switch except for the port receiving the ARP request? The destination MAC address FF-FF-FF-FF-FF-FF appears…
What property of ARP forces all Ethernet NICs to process an ARP request? The destination MAC address FF-FF-FF-FF-FF-FF appears in the header of the Ethernet frame. The source MAC address…
What property of ARP allows hosts on a LAN to send traffic to remote networks? Local hosts learn the MAC address of the default gateway. The destination MAC address FF-FF-FF-FF-FF-FF…
Which term describes a field in the IPv4 packet header used to identify the next level protocol? protocol destination IPv4 address source IPv4 address TTL Explanation & Hint: The term…
A network administrator requires access to manage routers and switches locally and remotely. Match the description to the access method. (Not all options are used.) Answers Explanation & Hints: Both…
Refer to the exhibit. Match the packets with their destination IP address to the exiting interfaces on the router. (Not all targets are used.) Answers Explanation & Hints: Packets with…
What action will occur if a switch receives a frame and does have the source MAC address in the MAC table? The switch refreshes the timer on that entry. The…
What three items are contained in an Ethernet header and trailer? (Choose three.) source IP address source MAC address destination IP address destination MAC address error-checking information Answers Explanation &…
Which two devices commonly affect wireless networks? (Choose two.) Blu-ray players home theaters cordless phones microwaves incandescent light bulbs external hard drives Answers Explanation & Hints: Radio Frequency Interference (RFI)…
At which OSI layer is a destination MAC address added to a PDU during the encapsulation process? data link layer transport layer application layer network layer Explanation & Hint: A…
At which OSI layer is a source MAC address added to a PDU during the encapsulation process? data link layer application layer transport layer presentation layer Explanation & Hint: A…
At which OSI layer is data added to a PDU during the encapsulation process? application layer data link layer network layer transport layer Explanation & Hint: A destination port number…
At which OSI layer is a destination port number added to a PDU during the encapsulation process? transport layer data link layer network layer application layer Explanation & Hint: A…
At which OSI layer is a source IP address added to a PDU during the encapsulation process? network layer data link layer transport layer application layer Explanation & Hint: The…
What term describes a technology that allows devices to connect to the LAN using an electrical outlet? powerline networking internet intranet extranet Explanation & Hint: The term that describes a…
What term describes a type of network used by people who work from home or from a small remote office? SOHO network BYOD quality of service converged network Explanation &…
Which method allows a computer to react accordingly when it requests data from a server and the server takes too long to respond? encapsulation flow control access method response timeout …