User yoyo_fun

21 votes

4 answers

18k views

Why is the CAM table in a switch called CAM table and not MAC table even though it holds MAC addresses?

asked Aug 30, 2017 at 13:54

14 votes

2 answers

4k views

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?

asked Aug 29, 2017 at 15:21

10 votes

3 answers

25k views

Do Bluetooth Devices have MAC address with the same specification as the MAC addresses of the Ethernet and Wi-Fi Network cards?

asked Nov 27, 2016 at 22:26

10 votes

2 answers

1k views

Can a switch that does NOT support VLAN capability be considered a managed switch if it has other features?

asked Aug 25, 2017 at 9:58

9 votes

5 answers

3k views

Why is the ICMP protocol considered to run at layer 3 on the Wikipedia page?

asked Mar 15, 2016 at 17:25

8 votes

2 answers

34k views

What is the voltage used in ethernet lines (UTP Cables)?

asked Aug 30, 2017 at 13:13

6 votes

2 answers

2k views

Why can I ping IP addresses from 127.0.0.1 to 127.255.255.254?

asked Oct 2, 2017 at 7:41

5 votes

2 answers

592 views

How does a route-map applied as outbound on a neighbor sees the redistributed ospf routes into bgp? Local or external?

asked Mar 26, 2018 at 14:57

5 votes

3 answers

16k views

Can two different applications bind the same port on a host if they use different protocols?

asked Mar 23, 2016 at 13:40

4 votes

1 answer

7k views

What kind of CPU do managed switches have?

asked Aug 30, 2017 at 14:32

4 votes

2 answers

4k views

Is the CSMA/CD protocol active in modern ethernet networks that use LAN switches? If it is active, does it ever detects a collision?

asked Sep 1, 2017 at 14:08

4 votes

1 answer

954 views

Can a network bridge be viewed as a two port switch?

asked Aug 29, 2017 at 8:18

3 votes

2 answers

232 views

Before the invention of Classless Inter-Domain Routing (CIDR) did hosts have subnet masks assigned?

asked Jun 5, 2018 at 14:33

3 votes

1 answer

798 views

When X.25 or ATM were used in ISP networks or Internet backbone was the protocol running over this layer still TCP/IP? [closed]

asked Sep 5, 2017 at 7:46

2 votes

4 answers

319 views

Are there any advantages in using optic fiber to connect a host computer to an Ethernet LAN?

asked Sep 5, 2017 at 19:23

2 votes

1 answer

62 views

How often does it happen that at the Layer 2 (MAC) an error goes undetected?

asked Sep 11, 2017 at 8:59

2 votes

2 answers

2k views

What are the most common scenarios in which the 'loopback interface' on a router is used?

asked Jul 9, 2016 at 13:16

2 votes

2 answers

57 views

Is it possible to design a network switch that could work only with combinational or sequential logic circuits without a software?

asked Nov 27, 2016 at 0:20

2 votes

1 answer

1k views

Is it possible to build a fully functional LAN without any router, only with a switch?

asked Mar 15, 2016 at 15:25

2 votes

2 answers

269 views

What are the differences between a private network and a subnetwork?

asked Mar 15, 2016 at 15:30

2 votes

4 answers

206 views

Does a Business Router from an ISP perform actual routing or only Network Address Translation (NAT)?

asked Feb 11, 2017 at 18:53

2 votes

2 answers

138 views

Why in STP is the switch that is the "center" of the network is called the "Root Bridge," not "Root Switch"?

asked Aug 29, 2017 at 6:37

2 votes

1 answer

4k views

What is the EtherType of a BPDU frame sent by a switch which runs Spanning Tree Protocol

asked Apr 4, 2018 at 9:07

1 vote

2 answers

3k views

What is the difference between a PHY chip in a switch and a switch controller ASIC in the switch?

asked Aug 25, 2017 at 15:11

1 vote

2 answers

99 views

What are the most common technologies that the IPv4 or IPv6 run on top of BESIDES the ethernet protocol?

asked Nov 27, 2016 at 22:38

1 vote

2 answers

335 views

Do wireless devices such as smartphones transmit beacon equivalent frames such as APs do?

asked Mar 16, 2016 at 14:39

1 vote

1 answer

385 views

What are the problems that can arise if a network host has the subnet mask configured improperly?

asked Mar 16, 2016 at 14:45

1 vote

1 answer

413 views

Why is Non-Return-to-Zero encoding called this way?

asked Nov 27, 2016 at 2:28

1 vote

1 answer

45 views

In an agentless SNMP device, at what level does the SNMP agent run? In the Hardware? In the Operating system? Or somewhere else?

asked Sep 28, 2017 at 10:20

1 vote

1 answer

196 views

In the MAC acronym what do the words Media, Access and Control refer to independently?

asked Sep 1, 2017 at 15:49

Stack Exchange Network

40 Questions

Why is the CAM table in a switch called CAM table and not MAC table even though it holds MAC addresses?

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?

Do Bluetooth Devices have MAC address with the same specification as the MAC addresses of the Ethernet and Wi-Fi Network cards?

Can a switch that does NOT support VLAN capability be considered a managed switch if it has other features?

Why is the ICMP protocol considered to run at layer 3 on the Wikipedia page?

What is the voltage used in ethernet lines (UTP Cables)?

Why can I ping IP addresses from 127.0.0.1 to 127.255.255.254?

How does a route-map applied as outbound on a neighbor sees the redistributed ospf routes into bgp? Local or external?

Can two different applications bind the same port on a host if they use different protocols?

What kind of CPU do managed switches have?

Is the CSMA/CD protocol active in modern ethernet networks that use LAN switches? If it is active, does it ever detects a collision?

Can a network bridge be viewed as a two port switch?

Before the invention of Classless Inter-Domain Routing (CIDR) did hosts have subnet masks assigned?

When X.25 or ATM were used in ISP networks or Internet backbone was the protocol running over this layer still TCP/IP? [closed]

Are there any advantages in using optic fiber to connect a host computer to an Ethernet LAN?

How often does it happen that at the Layer 2 (MAC) an error goes undetected?

What are the most common scenarios in which the 'loopback interface' on a router is used?

Is it possible to design a network switch that could work only with combinational or sequential logic circuits without a software?

Is it possible to build a fully functional LAN without any router, only with a switch?

What are the differences between a private network and a subnetwork?

Does a Business Router from an ISP perform actual routing or only Network Address Translation (NAT)?

Why in STP is the switch that is the "center" of the network is called the "Root Bridge," not "Root Switch"?

What is the EtherType of a BPDU frame sent by a switch which runs Spanning Tree Protocol

What is the difference between a PHY chip in a switch and a switch controller ASIC in the switch?

What are the most common technologies that the IPv4 or IPv6 run on top of BESIDES the ethernet protocol?

Do wireless devices such as smartphones transmit beacon equivalent frames such as APs do?

What are the problems that can arise if a network host has the subnet mask configured improperly?

Why is Non-Return-to-Zero encoding called this way?

In an agentless SNMP device, at what level does the SNMP agent run? In the Hardware? In the Operating system? Or somewhere else?

In the MAC acronym what do the words Media, Access and Control refer to independently?