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СÇÇ ·¢±íÓÚ 2017-5-10 10:07:57

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1. What is the Ethernet frame size for 802.1Q?
a. 64
b. 128
c. 1518
d. 1522 **
Ans: D
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2. How will the traffic reach the core switch from AS switch to DS core switch?
(Based on a topology shown with one core, two distribution and two access switches on each distribution switch, with redundant links and bandwidth mentioned.)
a. ASW1 to DWS1 to core
b. ASW1 to DWS2 to core **
c. ???
d. ???
Ans: B
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3. If HSRP group number is 45 what would be the MAC address?
(Basically conversion of digit to hexadecimal with group of 16.)
a. 00-00-0c-07-ac-2D
b. ???
c. ???
d. ???
Ans: A
Explanation:
00-00-0c- 07-ac-2D
CISCO_ID :HSRP_ID:GROUP_ID
2d=45
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4 A question on EtherChannel misconfiguration¡­¡­.
a. Enable this feature by using the spanning-tree etherchannel guard misconfig global configuration command. **
b. ???
c. ???
d. ???
Ans: A
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5. Select a valid VRRP configuration from a list of possible configurations.
a. vrrp ip **
b. vrrp priority **
c. vrrp preempt **
d. ???
e. ???
Ans: A,B,C
Explanation:
You can eliminate configurations with the word ¡®standby¡¯, as that would be HSRP, not VRRP. Also, I think the options that put things like vrrp group 1 ip x.x.x.x are wrong. You don¡¯t need the word ¡®group¡¯ in the configuration line. The number 1 is the group number. Anyway, just take a good look a t a few valid VRRP configuration examples so that you will be able to recognize invalid ones.
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6. Private VLANs (PVLANs) have two secondary VLAN types.
a. community **
b. isolated **
c. ???
d. ???
e. ???
Ans: A,B
____________________________________________________________
7. What types of SDM templates you can use in switch? (Choose three)
a. Access **
b. Default **
c. Routing **
d. VLANs **
e. ???
f. ???
Ans: A,B,C,D (note: the question asks for 3, so 3 of the 4 correct options should be in the real exam)
Explanation:
+ Access ¨C The access template maximizes system resources for access control lists (ACLs) to accommodate a large number of ACLs.
+ Default ¨C The default template gives balance to all functions.
+ Routing ¨C The routing template maximizes system resources for IPv4 unicast routing, typically required for a router or aggregator in the center of a network.
+ VLANs ¨C The VLAN template disables routing and supports the maximum number of unicast MAC addresses. It would typically be selected for a Layer 2 switch.
____________________________________________________________
8. EtherChannel ¨C what is the process to configure EtherChannel.
a. shutdown both interface ports **
b. shutdown the interface on one side only
c. ???
d. ???
Ans: A
____________________________________________________________
9. A question about spanning-tree port-priority.
a. 127 **
b. 129
c. ???
d. ???
Ans: A
____________________________________________________________
10. Question about EtherChannel based on STP EtherChannel misconfig¡­¡­
a. (config)# spanning-tree etherchannel guard misconfig **
b. (config-if)# spanning-tree etherchannel guard misconfig
c. ???
d. ???
Ans: A
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