Microsoft Networking Essentials Exam Network Protocols & Standards 2

Question 1

Which protocol operates at the Network layer and is used to test connectivity between hosts?

Accepted Answer

ICMP

Answer

ICMP (Internet Control Message Protocol) operates at the Network layer and is used by tools like ping and traceroute to test network connectivity.

Question 2

What does the TTL field in an IP packet header control?

Accepted Answer

Maximum number of hops before the packet is discarded

Answer

TTL (Time to Live) specifies the maximum number of router hops a packet can traverse before being discarded, preventing packets from circulating indefinitely.

Question 3

Which IEEE standard defines the Wi-Fi 6 (802.11ax) wireless networking specification?

Accepted Answer

IEEE 802.11ax

Answer

IEEE 802.11ax, marketed as Wi-Fi 6, is the wireless networking standard that provides improved performance in high-density environments and greater efficiency.

Question 4

Which protocol provides connection-less, best-effort delivery of datagrams?

Accepted Answer

UDP

Answer

UDP (User Datagram Protocol) provides connectionless, best-effort delivery without guarantees of delivery, ordering, or error checking, making it faster than TCP.

Question 5

What is the default port number for FTP data transfer?

Accepted Answer

20

Answer

FTP uses port 20 for data transfer and port 21 for control commands, forming a two-channel communication system.

Microsoft Networking Essentials Exam Practice Test

Microsoft Networking Essentials Exam Practice Test

Microsoft Networking Essentials Exam Network Protocols & Standards 2