Module 11 Yu NETSEC
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1
What network architecture provides the framework to unify wired and wireless access?
The Cisco Borderless Network
2
What are the four key characteristics of borderless switched networks?
Hierarchical, modular, resilient, and flexible
3
What are the two proven hierarchical design frameworks for campus networks?
The three-tier layer and two-tier layer models
4
Which hierarchical layer provides network access to the user?
The access layer
5
Which hierarchical layer implements routing, quality of service, security, and aggregates wiring closet networks?
The distribution layer
6
Which hierarchical layer acts as the network backbone, providing fault isolation and high-speed connectivity?
The core layer
7
What is another name for a two-tier campus network design?
A collapsed core network design
8
What is the term for a network that can grow without losing availability and reliability?
Scalability
9
What protocol is required to prevent logical Layer 2 loops when using redundant physical paths?
Spanning Tree Protocol (STP)
10
In the hierarchical design model, at which layer are failure domains typically terminated?
The distribution layer
11
What technology allows an administrator to increase bandwidth by combining several physical links into one logical link?
Link aggregation (e.g., EtherChannel)
12
What advanced link-state routing protocol uses areas to support a hierarchical network design?
Open Shortest Path First (OSPF)
13
What type of switch chassis allows for the addition of field-replaceable line cards?
Modular switches
14
What term describes the number of ports available on a single switch?
Port density
15
What metric defines the processing capabilities of a switch based on how much data it can process per second?
Forwarding rates
16
What switch feature delivers power to devices like IP phones and access points over existing Ethernet cabling?
Power over Ethernet (PoE)
17
What specialized hardware do multilayer switches use to streamline the forwarding of IP packets independent of the CPU?
Application-specific integrated circuits (ASICs)
18
What network device uses the network prefix of a destination IP address to route packets and provides broadcast containment?
A router
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