CCST Network Services & Protocols 2

Question 1

What is the function of ARP (Address Resolution Protocol)?

Accepted Answer

Resolve IP addresses to MAC addresses on a local network

Answer

Resolve domain names to IP addresses

Answer

Assign IP addresses dynamically to hosts

Answer

Translate private IPs to public IPs

Question 2

Which well-known port number does HTTPS use by default?

Accepted Answer

443

Answer

80

Answer

8080

Answer

8443

Question 3

What does SNMP stand for, and what is its primary use?

Accepted Answer

Simple Network Management Protocol — used to monitor and manage network devices

Answer

Secure Network Messaging Protocol — used to encrypt network traffic

Answer

Static Network Mapping Protocol — used to map network topologies

Answer

Simple Network Monitoring Protocol — used to capture packet data

Question 4

Which first DHCP message does a client broadcast when it needs an IP address?

Accepted Answer

DHCPDISCOVER

Answer

DHCPOFFER

Answer

DHCPREQUEST

Answer

DHCPACK

Question 5

What is the purpose of a default gateway in network configuration?

Accepted Answer

It is the router IP address that hosts send traffic to when the destination is on a remote network

Answer

It provides IP addresses to hosts via DHCP

Answer

It encrypts traffic between the host and the Internet

Answer

It resolves domain names to IP addresses

Question 6

What does the TTL (Time to Live) field control in DNS?

Accepted Answer

How long a DNS record will be cached by resolvers before they must re-query

Answer

How long a DNS server will remain active before rebooting

Answer

How many DNS servers will be queried before a lookup fails

Answer

The maximum length of a domain name in DNS records

Question 7

What is the well-known port used by Telnet?

Accepted Answer

23

Answer

21

Answer

22

Answer

25