CIW Network Technology Associate 4

Question 1

Which protocol is used to synchronize clocks across network devices and is critical for authentication protocols like Kerberos?

Accepted Answer

NTP

Answer

NTP (Network Time Protocol) synchronizes clocks across network devices; accurate time is essential for authentication tickets, logs, and certificates.

Question 2

What is the maximum segment length for a standard 1000BASE-T (Gigabit Ethernet over copper) connection?

Accepted Answer

100 meters

Answer

1000BASE-T supports a maximum cable segment length of 100 meters using Cat 5e or higher UTP cabling.

Question 3

A company needs to connect two geographically separated offices over the public Internet while maintaining data confidentiality. Which technology is most appropriate?

Accepted Answer

VPN (Virtual Private Network)

Answer

A VPN creates an encrypted tunnel over the public Internet, ensuring data confidentiality between remote sites.

Question 4

Which field in an IPv4 packet header is decremented by each router and causes the packet to be discarded when it reaches zero?

Accepted Answer

Time to Live (TTL)

Answer

The TTL (Time to Live) field is decremented by 1 at each hop; when it reaches 0, the router discards the packet and sends an ICMP Time Exceeded message.

Question 5

What is the primary role of ICMP in TCP/IP networking?

Accepted Answer

Provide error reporting and network diagnostics

Answer

ICMP (Internet Control Message Protocol) provides error reporting (e.g., destination unreachable) and diagnostic functions used by tools like ping and traceroute.

CIW - Certified Internet Web Professional Practice Test

CIW - Certified Internet Web Professional Practice Test

CIW Network Technology Associate 4