Information Technology Reference
In-Depth Information
Chapter 2
“Do I Know This Already?” Quiz
1.
B. The core layer of the hierarchical model is responsible for fast transport.
2.
C. The enterprise edge consists of e-commerce, Internet connectivity, VPN/remote
access, and WAN modules. The enterprise edge modules connect to SPs.
3.
C. The distribution layer of the hierarchical model is responsible for security filtering,
address and area aggregation, and media translation.
4.
D. HSRP and VRRP provide default gateway redundancy.
5.
F. T h e n e t w o r k m a n a g e m e n t m o d u l e m o n i t o r s a l l c o m p o n e n t s a n d f u n c t i o n s e x c e p t
the SP edge.
6.
A. The SP edge includes Internet, PSTN, and WAN modules.
7.
C. The server farm hosts campus servers including Cisco CallManager servers.
8.
D. The access layer functions are high availability, port security, rate limiting, ARP
inspection, virtual access lists, and trust classification.
Q&A
1.
False
2.
Tr ue
3.
The server farm.
4.
Tr ue
5.
The Internet submodule.
6.
Enterprise campus, enterprise edge, enterprise WAN, enterprise branch, enterprise
data center, and enterprise teleworker.
7.
Tr ue
8.
False. A full-mesh network increases costs.
9.
Use
n
(
n
- 1)/2, where
n
= 6. 6 * (6 - 1)/2 = (6 * 5)/2 = 30/2 = 15
10.
Option 1: Single router, dual links to one ISP
Option 2: Single router, dual links to two ISPs
Option 3: Dual routers, dual links to one ISP
Option 4: Dual routers, dual links to two ISPs
Option 4 provides the most redundancy, with dual local routers, dual links, and dual ISPs.
11.
The SP edge Internet submodule connects to the enterprise edge Internet submodule.
