CCST Network Protocols and Services

Question 1

Which protocol automatically assigns IP addresses, subnet masks, default gateways, and DNS server addresses to network clients?

Accepted Answer

DHCP

Answer

DNS

Answer

ARP

Answer

NAT

Question 2

On which well-known UDP ports does DHCP operate for server and client communication?

Accepted Answer

Port 67 (server) and 68 (client)

Answer

Port 80 and 443

Answer

Port 53 and 5353

Answer

Port 137 and 138

Question 3

What is the primary function of DNS (Domain Name System)?

Accepted Answer

Translate domain names into IP addresses

Answer

Assign IP addresses to hosts dynamically

Answer

Encrypt web traffic between client and server

Answer

Route packets between different networks

Question 4

Which protocol provides secure, encrypted remote command-line access to network devices, replacing Telnet?

Accepted Answer

SSH

Answer

FTP

Answer

SNMP

Answer

TFTP

Question 5

HTTP and HTTPS use which well-known TCP ports respectively?

Accepted Answer

80 and 443

Answer

80 and 8080

Answer

443 and 8443

Answer

21 and 22

Question 6

Which protocol is used by network management systems to monitor and manage network devices, and on which UDP port does it operate?

Accepted Answer

SNMP on port 161

Answer

ICMP on port 1

Answer

Syslog on port 514

Answer

NTP on port 123