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Networking - Networking Basics

Exercise : Networking Basics - Networking Basics
  • Networking Basics - Networking Basics
21.
In a network with dozens of switches, how many root bridges would you have?
1
2
5
12
Answer: Option
Explanation:
You should have only one root bridge per network.
22.
What PPP protocol provides dynamic addressing, authentication, and multilink?
NCP
HDLC
LCP
X.25
Answer: Option
Explanation:
Link Control Protocol in the PPP stack provides dynamic addressing, authentication, and multilink.
23.
What is a stub network?
A network with more than one exit point.
A network with more than one exit and entry point.
A network with only one entry and no exit point.
A network that has only one entry and exit point.
Answer: Option
Explanation:
Stub networks have only one connection to an internetwork. Only default routes can be set on a stub network or network loops may occur.
24.
If your router is facilitating a CSU/DSU, which of the following commands do you need to use to provide the router with a 64000bps serial link?
RouterA(config)#bandwidth 64
RouterA(config-if)#bandwidth 64000
RouterA(config-if)#clock rate 64
RouterA(config-if)#clock rate 64000
Answer: Option
Explanation:
The clock rate command is two words, and the speed of the line is in bps.
25.
Which one of the following is true regarding VLANs?
Two VLANs are configured by default on all Cisco switches.
VLANs only work if you have a complete Cisco switched internetwork. No off-brand switches are allowed.
You should not have more than 10 switches in the same VTP domain.
VTP is used to send VLAN information to switches in a configured VTP domain.
Answer: Option
Explanation:
Switches do not propagate VLAN information by default; you must configure the VTP domain. VLAN Trunking Protocol (VTP) is used to propagate VLAN information across a trunk link.
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