Network Engineering

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Answer score of 10 or more. This badge can be awarded multiple times.

earned this badge 83 times.
session layer in OSI model
Awarded Dec 27, 2022 at 7:05
WiFi versus Wireless LANs
Awarded Dec 22, 2022 at 15:22
Where to cross RX/TX line in fibre optical cabling
Awarded Nov 27, 2022 at 11:28
Can a single optical fiber support full-duplex communication?
Awarded Nov 18, 2022 at 18:34
Can two different applications bind the same port on a host if they use different protocols?
Awarded Sep 21, 2022 at 8:09
TCP - Why do RST packets not require acknowledgements (and FIN packets do)?
Awarded Jun 27, 2022 at 13:56
OSPF without Area 0
Awarded Jun 25, 2022 at 23:32
Why is Packet Size Limited?
Awarded Mar 28, 2022 at 22:21
What is the proper name for hexadecimal like standard notation of an IPv6 address?
Awarded Mar 28, 2022 at 9:20
What is the difference between broadcasting and flooding?
Awarded Feb 9, 2022 at 8:06
Collision domain question
Awarded Feb 2, 2022 at 15:18
Does TCP open a new connection for every packet that is sent?
Awarded Dec 3, 2021 at 7:18
Bandwidth vs Throughput vs Data(bit) rate
Awarded Nov 1, 2021 at 13:57
Where are 0 TCP/UDP ports banned?
Awarded Oct 8, 2021 at 1:55
Difference between routing, forwarding, and switching
Awarded May 18, 2021 at 13:50
Why does one say IP fragmentation is bad and to be avoided when in reality data always needs to be fragmented for MTU compatibility?
Awarded Apr 1, 2021 at 8:17
What does the naming convention for Ethernet standards mean: 1000BASE-T, BASE-TX, BASE-SX, etc.? What is the meaning of the components of the name?
Awarded Mar 22, 2021 at 1:51
Why can't devices in different subnets talk with each other?
Awarded Feb 26, 2021 at 13:40
Why does PPP need an underlying protocol?
Awarded Feb 14, 2021 at 22:12
RJ45 Cable only has 4 wires
Awarded Feb 4, 2021 at 13:27
At which layer does router operate?
Awarded Dec 26, 2020 at 10:12
Does the destination port change during TCP three-way handshake?
Awarded Dec 24, 2020 at 18:05
Smallest IPv6 block advertised?
Awarded Nov 1, 2020 at 4:57
Does UDP do anything at all?
Awarded Sep 15, 2020 at 13:40
Why can't we create a hierarchy of hubs?
Awarded Jul 6, 2020 at 21:20
How to divide network into subnets?
Awarded Jun 23, 2020 at 10:55
Difference between :: and ::1
Awarded Feb 5, 2020 at 19:16
Why does the IPv6 header not include a checksum?
Awarded Jan 27, 2020 at 9:00
How do you calculate the prefix, network, subnet, and host numbers?
Awarded Jan 25, 2020 at 22:20
Why can a host with a single NIC and on two networks have 2 IP adresses?
Awarded Jan 23, 2020 at 19:05
Does NAT violate end to end argument?
Awarded Jan 15, 2020 at 10:25
Calculate subnet mask from IP Address
Awarded Sep 26, 2019 at 8:45
Why the first octet of a MAC address always end with a binary 0?
Awarded Sep 26, 2019 at 5:00
Does anycast addressing add additional latency in any way?
Awarded Jun 22, 2019 at 8:55
How do you calculate the prefix, network, subnet, and host numbers?
Awarded Jun 12, 2019 at 5:10
OSPF or iBGP for interior routing protocol?
Awarded Jun 9, 2019 at 3:05
Could IPv6 make NAT / port numbers redundant?
Awarded May 29, 2019 at 12:00
Find MAC address of a remote computer using IP
Awarded May 23, 2019 at 9:20
Do routers change MAC address of packets when forwarding
Awarded May 16, 2019 at 12:10
Does IP provide QoS or not?
Awarded May 8, 2019 at 17:55
OSPF and its use of Multicast
Awarded May 6, 2019 at 17:50
Why do IPv6 unique local addresses have to have a /48 prefix?
Awarded May 2, 2019 at 19:15
Locked myself out of my Cisco switch
Awarded Apr 26, 2019 at 18:30
How exactly does an Ethernet collision happen in the cable, since nodes use different circuits for Tx and Rx?
Awarded Mar 10, 2019 at 18:20
Can throughput exceed the bandwidth of a network
Awarded Mar 6, 2019 at 8:55
Does every host on the LAN share the same ARP table, or do hosts keep them individually?
Awarded Feb 18, 2019 at 8:10
How do routers on the backbone avoid IP address conflicts?
Awarded Feb 16, 2019 at 12:40
What is the difference between 0.0.0.0 and a loopback IP address?
Awarded Feb 12, 2019 at 23:45
Dealing with IP Spoofing
Awarded Feb 11, 2019 at 8:40
What does a switch do when the destination MAC address is unknown?
Awarded Jan 2, 2019 at 4:50
IPv4 Segment 100.64.0.0/10
Awarded Dec 21, 2018 at 22:20
The maximum length of CAT6 for intranet network?
Awarded Oct 30, 2018 at 19:10
Why do I get "% Warning: use /31 mask on non point-to-point interface cautiously" when I use a /31 subnet mask?
Awarded Oct 28, 2018 at 22:10
Why are IPv4 addresses running out?
Awarded Oct 13, 2018 at 20:45
Does a switch understand packets? If yes, what is the frame terminology for?
Awarded Sep 27, 2018 at 18:00
Why are IPv6 addresses so long?
Awarded Sep 27, 2018 at 18:00
Does the source MAC address of a frame change when it passes through several switches?
Awarded Sep 27, 2018 at 18:00
In which OSI/TCP-IP model layers do BGP, RIP protocols belong?
Awarded Sep 27, 2018 at 18:00
Do Wi-Fi and IEEE 802.11 mean the same thing?
Awarded Sep 27, 2018 at 17:03
Is there anything stopping me from using Class A addresses on my own network?
Awarded Sep 2, 2018 at 10:35
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