Chapter 2 Flashcards
What protocols are at the Process/ Application layer?
Telnet, SSH, FTP, TFTP, SNMP, HTTP, HTTPS, NTP, DNS, DHCP, APIPA
What protocols are at the Host-to-Host/Transport Layer?
TCP, UDP, IP
What’s one issue with using Telnet?
No encryption- everything is in plaintext
What version of SNMP provides encryption, data integrity, authentication?
SNMPv3
What does HTTPS use to be secure?
SSL (Secure Socket Layer)
What is the purpose of APIPA?
Windows feature that automatically self-configure an IP/mask when a DHCP server isn’t available.
What is the TCP port number for Telnet?
TCP - 23
What is the TCP port number for SMTP?
25
What is the TCP port number for HTTP?
80
What is the TCP port number for DNS?
53
What is the TCP port number for FTP?
20,21
What is the TCP port number for HTTPS?
443
What is the TCP port number for SSH?
22
What is the TCP port number for POP3?
110
What is the TCP port number for iMAP4?
143
What is the UDP port for SNMP?
161
What is the UDP port for TFTP?
69
What is the UDP port for BootP/DHCP?
67
What is the UDP port for DNS?
53
What is the UDP port for NTP?
123
What is the address range for Class A?
O-127 (00)
What is the address range for Class B?
128-192 (10)
What is the address range for Class C?
192-223 (110)
What are the reserved address space for a Class A?
10.0.0.0 thru 10.255.255.255
What are the reserved address space for a Class B?
172.16.0.0 thru 172.31.255.255
What are the reserved address space for a Class C?
193.168.0.0 thru 192.168,255.255
