CompTIA Network+ N10-009 Exam Questions and Answers

CompTIA Network+ N10-009 Exam Questions and Answers

How many host IP addresses will a /30 subnet mask give you?
2




How many IP addresses will a /23 subnet mask give you?
512 total (510 usable for hosts)




What is the CIDR notation for subnet mask 255.255.254.0?
/23




What is the CIDR notation for subnet mask 255.255.255.252?
/30




When does a MAC address change along a path?
with every hop




When would an IP address change along a path?
only if sent through a NAT




What is the port for HTTP?
80




What is the port for HTTPS?
443

, CompTIA Network+ N10-009 Exam Questions and Answers



What is the port for TFTP?
69




What is the port for SMTP?
23




What is the port for SSH?
22




What is the port for telnet?
25




What is the port for DNS?
53




What is the port for DHCP?
67, 68




What is the port for SNMP?
161, 162




What is the port for Syslog?
514