File Transfer Protocol (FTP) - correct answer 20/21 TCP
Secure Shell (SSH) - correct answer 22 TCP
Telnet - correct answer 23 TCP
SMTP - Simple Mail Transfer Protocol is used to send email over the internet - correct answer 25 TCP
DNS - Domain Name Service is used to resolve hostnames t...
SECURITY FOUNDATIONS - D481 – OA EXAM 2024 File Transfer Protocol (FTP) - correct answer ✔✔ 20/21 TCP
Secure Shell (SSH) - correct answer ✔✔ 22 TCP
Telnet - correct answer ✔✔ 23 TCP
SMTP - Simple Mail Transfer Protocol is used to send email over the internet - correct answer ✔✔ 25 TCP
DNS - Domain Name Service is used to resolve hostnames to IPs and IPs to hostnames - correct answer✔✔ 53 TCP/UDP
DHCP - Dynamic Host Configuration Protocol. Auto config. of IP address, subnet mask & other options. Requires a DHCP server, and appliance integrated into a SOHO router.
Server to Client - Sends Message - correct answer ✔✔ 67 UDP
DHCP - Dynamic Host Configuration Protocol. Auto config. of IP address, subnet mask & other options. Requires a DHCP server, and appliance integrated into a SOHO router.
Client to Server - Receives Message - correct answer ✔✔ 68 UDP
TFTP - Trivial FTP is used as a simplified version of FTP to put a file on a remote host, or get a file from a remote host - correct answer ✔✔ 69 UDP
Finger protocol (user information) - correct answer ✔✔ 79 TCP HyperText Transfer Protocol (HTTP) (browsing websites) - correct answer ✔✔ 80 TCP
Kerberos - correct answer ✔✔ 88 UDP
POP3 - Post Office Protocol v3 is used to receive email from a mail server - correct answer ✔✔ 110 TCP
IMAP - Internet Message Access Protocol is used to receive email from a mail server with more features than POP3 - correct answer ✔✔ 143 TCP
Hypertext Transfer Protocol Secure (HTTPS) - correct answer ✔✔ 443 TCP
Lightweight Directory Access Protocol (LDAP) - correct answer ✔✔ 389 TCP/UDP
Lightweight Directory Access Protocol Secure (LDAPS) - correct answer ✔✔ 636 TCP/UDP
Remote Desktop Protocol (RDP) - correct answer ✔✔ 3389 TCP/UDP
How are analog transmissions waves measured which is the number of cycles per second that's measured? - correct answer ✔✔ Frequency (also called hertz)
A Physical Layer device that converts an Ethernet signal from, for example, fiber optic to copper transmission media - correct answer ✔✔ Media converter
1-green/white, 2-green, 3-orange/white, 6-orange - correct answer ✔✔ TIA-568A Wiring Pin Colors
1- orange/white, 2-orange, 3-green/white, 6-green - correct answer ✔✔ TIA-568B Wiring Pin Colors
Backbone that's more restrictive because they must rely on physical device location to isolate departmental LANs from one another - correct answer ✔✔ Flat backbone Minimizes traffic flowing between departmental LANs by replacing a bus with one or more central switches - correct answer ✔✔ Collapsed backbone
When an IP receives a packet from a higher layer and adds additional data in a new IP header to the packet - correct answer ✔✔ Encapsulation
What is this drawbacks of?
Fiber optic cabling is required to connect each departmental LAN to the central switch
The central switch represents a single point of failure. If the switch fails, no traffic can travel between departmental LANs - correct answer ✔✔ Drawbacks of a Collapsed backbone
when IP software chops packets into smaller packets - correct answer ✔✔ Fragmentation
First three octets in an IPv4 address are what? - correct answer ✔✔ Network ID
The last octet in an IPv4 address is what? - correct answer ✔✔ Host ID
Translates the source IP address usually when connecting from a private to a public IP address. Used when an internal/private host needs to initiate a connection to an external/public host. - correct answer✔✔ Source Network Address Translation (SNAT)
Maps internal IP addresses to public or external IP addresses. Allows one to share a single, public-facing IP address with a range of internal , private IP host addresses - correct answer ✔✔ Port Network Address
Translation (PAT):
You may omit any leading zeros within any group of hexadecimal digits.
You may replace only one grouping of two or more consecutive groupings of zeros in an address with a double colon - correct answer ✔✔ How to shorten an IPv6 Address
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