CATEGORY 1
A TCP/IP layer that is known as the closest to the end users.
Application
An OSI layer that is responsible for formatting the data.
Presentation
The session layer is responsible for establishing a temporary communication session.(True or False)
False-Transport
An OSI layer that is responsible for IP routing.
Network
SMTP uses 25 as its port number. (True or False)
True
FTP uses port number 21 for the actual file transfer.
False-20
What formula is used to get the total number of usable host address in a subnet?
2n-2
Enumerate the 3 protocols use in an EMAIL operation.
SMTP, POP, IMAP
HTTP uses TCP. (True or False)
True
A protocol used to lease IP address and other parameters to end devices.
DHCP
A protocol used to map a name to its corresponding IP address.
DNS
A protocol that is used to download an email from the server and removed from the server.
POP
What does the IP address 192.168.1.15/29 represent?
Broadcast Address
Enumerate the 7 OSI layer accordingly.
Application, Presentation, Session, Transport, Network, Data Link, Physical
An administrator wants to create four subnetworks from the network address 192.168.1.0/24. What are the network address and subnet mask of the second usable subnet?
subnetwork 192.168.1.64
subnet mask 255.255.255.192