640-802 CCNA Study Guide - Elktech.org

C. show environment
D. show diag
E. show inventory
Cisco 640-802 Exam
Answer: A
Explanation:
QUESTION NO: 581
What are three benefits of implementing vlans?(choose three)
A. A more efficient use of bandwidth can be achieved allowing many physical groups to use the
same network infrastructure
B. Broadcast storms can be mitigated by decreasing the number of broadcast domains, thus
increasing their size.
C. A higher level of network security can be reached by separating sensitive data traffic from other
network traffic.
D. Port-based vlans increase switch-port use efficient, thanks to 802.1Q trunks
E. A more efficient use of bandwidth can be achieved allowing many logical networks to use the
same network infrastructure.
F. Broadcast storms can be mitigated by increasing the number of broadcast domains, thus
reducing their size.
G. VLANs make it easier for IT staff to configure new logical groups, because the vlans all belong
to the same broadcast domain.
Answer: C,E,F
Explanation:
QUESTION NO: 582
In the implementation of VLSM techniques on a network using a single Class C IP address, which
subnet mask is the most efficient for point-to-point serial links?
A. 255.255.255.240
B. 255.255.255.254
C. 255.255.255.252
D. 255.255.255.0
E. 255.255.255.248
Answer: C
Explanation:
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