CNIT 344 Final Questions And Answers 100% Verified.
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Course
CNIT 344
Institution
CNIT 344
CNIT 344 Final Questions And Answers 100% Verified.
Inside local address - correct answer. The IP address assigned to a host on the inside network.
When the lease time start for DHCP - correct answer. After the DHCPAck is sent.
If you can ping 127.0.0.1 in your computer, what...
CNIT 344 Final Questions And Answers
100% Verified.
Inside local address - correct answer. The IP address assigned to a host on the inside
network.
When the lease time start for DHCP - correct answer. After the DHCPAck is sent.
If you can ping 127.0.0.1 in your computer, what does it mean? - correct answer.
127.0.0.1 is the loopback address
TCP/IP is installed properly in your computer
Command to bind VLAN to port - correct answer. switchport access vlan 1
Inside global address - correct answer. A valid public address that host on the inside
network is assigned as it exits the router
Outside Global address - correct answer. A reachable IP address assigned to a host
on internet.
In a home network where it has a pc, a router, and a web server, pc has an address of
192.168.1.10, which is what address? - correct answer. Inside local address
In a network where it has a pc, a router, and a web server, a router has an address of
200.200.200.1. When a PC trying to send a packet to the internet, it uses router's
address, which is what address? - correct answer. Inside global address
IPv4 Characteristics - correct answer. Connectionless: data is transmitted to other
hosts without prior arrangement, UDP is also connectionless.
, Best-effort delivery: A network in which the network doesn't provide any guarantee that
the data is delivered or the quality of data.
Media independent: Operates independently of the medium carrying the data. However,
it's concerned with MTU.
Defined by RFC 791
In a home network where it has a pc, a router, and a web server, a webserver has an
address of 100.100.100.1, which is what address - correct answer. It's an outside
global address.
Describe NAT (network address translation) - correct answer. When a packet is sent
out to from local network, a public address is assigned to this packet, usually is the
address of the router.
Describe PAT (Port address translation) - correct answer. When two machines in the
local network want to access the services on public network, port will be added to the
inside global IP add to identify machines.
Next available port - correct answer. What if two local machines use the same port
number to access a web service? Router will use next available function.
if two machines, one with IP 192.168.1.10 and one with 192.168.1.11 both use port 100
to access google. The router will with an add of 200.200.200.1 will likely use
200.200.200.1:100 for .10 machine and 200.200.200.1:101 for .11 machine. During this
process, inside local machine's service port will not be changed.
When a packet is sent, what sender doesn't know? And what receiver doesn't know? -
correct answer. Sender doesn't know if the receiver is present
if the packet arrives
if the receiver can read the packet
receiver doesn't know when it is coming.
Gateway - correct answer. The address of the router interface
Network portion needs to be on the same network as all of the hosts
eg:
Host: 192.168.1.2/24
Gateway: 192.168.1.254/24
Address Resolution Protocol (ARP) - correct answer. Map a IP add to a MAC address
3 approaches of IP subnetting - correct answer. Classes: 2layer hierarchy
Fixed-length subnetwork mask: 3 layer hierarchy
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