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Thu 03/09/15 at 11:55
Regular
"Why so srs?"
Posts: 135
Hey there forum goers,

I figured that we all like a bit of a continuous quiz and so I thought I'd put out a few questions for your entertainment. Let me know what you think and obviously give your answers.

First off, applications to protocols.

Below is a list of commonly used applications. These will mainly use either TCP or UDP as their connection protocol. Your job is to produce two lists detailing the correct grouping.

Applications:
HTTP
VoIP
DHCP
DNS
FTP
SNMP
Telnet
SMTP
TFTP

There are some trick applications above, let's see who catches on!
Fri 13/11/15 at 14:00
Regular
Posts: 9
srs_wubwub wrote:
And so, the answers are:

Show Spoiler


You did well on that one DL, so here's another.

What is the name of the process completed by a host machine to determine the network portion of an IPv4 Address with a Subnet Mask?


Thanks, that's actually a pretty useful list!
Tue 08/09/15 at 20:09
Regular
"Feather edged ..."
Posts: 8,536
ANDie knowing that ;¬)

I think NAT is a better name :¬)
Tue 08/09/15 at 11:00
Regular
"Why so srs?"
Posts: 135
The answer to the question:

What is the name of the process completed by a host machine to determine the network portion of an IPv4 Address with a Subnet Mask?

Is:
ANDing

The ANDing process takes the IPv4 address, converts it to binary, takes the subnet mask, converts that to binary and then completes logical ANDing.

So, IP 192.168.1.1 would be represented in binary as

11000000.10101000.00000001.00000001

Subnet mask 255.255.255.0 would be represented in binary as:

11111111.11111111.11111111.00000000

If we use the logical AND operator to compare these two values we get:

11000000.10101000.0000001.00000000

This shows that the first three groups (octets) represent the network portion of the address and the final octet represents the host portion of the address.

This process is then used by devices to determine whether to send network traffic locally using a Layer 2 device (switch) or to send it to a Layer 3 device (router) most commonly the default gateway.

Another question is on its way.
Mon 07/09/15 at 20:27
Regular
"Feather edged ..."
Posts: 8,536
Eccles wrote:
DL wrote:
[i]

I think SNMP works with TCP

Experimental only I believe and probably not advisable due to the nature of SNMP.[/i]

I realise the error of my ways Eccles, old age and associated factors ... it's UDP :¬)
Mon 07/09/15 at 19:45
Staff Moderator
"Aargh! Broken..."
Posts: 1,408
DL wrote:


I think SNMP works with TCP

Experimental only I believe and probably not advisable due to the nature of SNMP.
Mon 07/09/15 at 13:01
Regular
"Feather edged ..."
Posts: 8,536
Not sure about this one ... but

Show Spoiler


I think SNMP works with TCP
Mon 07/09/15 at 10:46
Regular
"Why so srs?"
Posts: 135
And so, the answers are:

Show Spoiler


You did well on that one DL, so here's another.

What is the name of the process completed by a host machine to determine the network portion of an IPv4 Address with a Subnet Mask?
Thu 03/09/15 at 13:28
Regular
"Feather edged ..."
Posts: 8,536
Here we go ...
Show Spoiler

:¬)
Thu 03/09/15 at 11:55
Regular
"Why so srs?"
Posts: 135
Hey there forum goers,

I figured that we all like a bit of a continuous quiz and so I thought I'd put out a few questions for your entertainment. Let me know what you think and obviously give your answers.

First off, applications to protocols.

Below is a list of commonly used applications. These will mainly use either TCP or UDP as their connection protocol. Your job is to produce two lists detailing the correct grouping.

Applications:
HTTP
VoIP
DHCP
DNS
FTP
SNMP
Telnet
SMTP
TFTP

There are some trick applications above, let's see who catches on!

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