Conceptos TCP/IP

What is the name of the OSI layer at the sixth level?

• Session

• Data Link

• Transport

• Presentation

What is the default subnet mask for IP 213.96.186.199?

• 255.255.0.0

• 255.255.255.0

• 255.0.0.0

• 255.255.250.0

How many host addresses are available on the 192.168.1.128/26 network?

• 126

• 30

• 62

• 16

How many bits does this subnet mask 255.255.252.0 have?

• 24

• 18

• 22

• 16

Which of the following IPs can address a host on a network?

• 127.0.0.1

• 169.254.0.1

• 192.0.2.1

• 192.168.1.254

What layer is responsible for routing messages through an internetwork in the TCP/IP model?

• Internet

• Transport

• Network access

• Session

What blocks of addresses are defined by RFC 1918 for private network use?

• 10.0.0.0/8

• 100.64.0.0/14

• 169.254.0.0/16

• 239.0.0.0/8

• 172.16.0.0/16

What kind of port must be requested from IANA in order to be used with a specific application?

• registered port

• private port

• dynamic port

• well known port

Which application layer protocols use TCP?

• FTP

• SNMP

• TFTP

• DNS

• SMTP

Which protocol or service uses UDP for a client-to-server communication and TCP for server-to-server communication?

• FTP

• DNS

• SMTP

• HTTP