Useful tips for everyday
What is encapsulation dot1q Cisco? Router(config-subif)# encapsulation dot1q 1. Enables IEEE 802.1Q encapsulation of traffic on a specified subinterface in VLANs, and defaults the associated…
Can I use 2 routers to extend my wireless range? It is possible to use a second router as a range extender to your existing…
How is channel bit rate calculated? The bit rate is calculated using the formula: Frequency × bit depth × channels = bit rate. 44,100 samples…
What protocol does traceroute use by default? Traceroute most commonly uses Internet Control Message Protocol (ICMP) echo packets with variable time to live (TTL) values.…
How do you prevent IP datagram from being fragmented? A IP datagram can be prevented from fragmentation, by setting the “don’t fragment” flag in the…
Can a TCP connection be spoofed? TCP spoofing A spoofing router terminates the TCP connection locally and translates the TCP to protocols tailored to long…
What is the administrative distance of a default route? 120 The range for administrative distance is 0–255. The default value is 120 for RIP routes…
How do you turn off ALG on Juniper? TWAMP: Disabled To change the status of the ALG: To disable a specific ALG: # set security…
What is TCN Bpdu? Message Type (Configuration or TCN BPDU) 1. A topology change occurs when a switch either moves a port into the Forwarding…
Where can I use Spanning Tree PortFast? You can use PortFast on switch or trunk ports that are connected to a single workstation, switch, or…