01. Which layer of the hierarchical network design model is refered to as the high-speed backbone of the internetwork, where high availability and redundancy are critical?
- access layer
- core layer
- data-link layer
- distribution layer
- network layer
- physical layer
02. Which layer of the hierarchical design model provides a means of connecting devices to the network and controlling which devices are allowed to communicate on the network?
- application
- access
- distribution
- network
- core
- application
- access
- distribution
- network
- core
- Local analog phone service can be completely outsourced to cost-effective providers.
- The Ethernet VLAN structure is less complex.
- A shared infrastructure is created resulting in a single network to manage.
- QoS issues are greatly reduced.
- There is less bandwidth competition between voice and video streams.
- core only
- distribution and core
- access and distribution
- access, distribution, and core
- a slim-line chassis
- allows interconnection of switches on redundant backplane
- defined physical characteristics
- flexible characteristics
- convergence
- redundant links
- link aggregation
- network diameter
- Layer 1
- Layer 3
- Layer 4
- Layer 5
- low port density
- high forwarding rate
- high latency level
- support link aggregation
- predefined number of ports
- Power over Ethernet
- load balancing across redundant trunk links
- redundant components
- Quality of Service
- link aggregation
- port security
- security policies
- 10 Gigabit Ethernet
- quality of service (QoS)
- hot-swappable hardware
- Power over Ethernet (PoE)
- PoE
- redundancy
- aggregation
- access lists
- core layer
- distribution layer
- access layer
- entry layer
- Power over Ethernet
- quality of service
- switch port security
- inter-VLAN routing
- Implement Layer 3 switching on S1 to reduce the packet processing load on D1 and D2. Install all security processing on S1 to reduce network traffic load.
- Configure port security options on S1. Use Layer 3 access control features on D1 and D2 to limit access to the HR servers to just the HR subnet.
- Move all HR assets out of the data center and connect them to S1. Use Layer 3 security functions on S1 to deny all traffic into and out of S1.
- Perform all port access and Layer 3 security functions on C1.
- forwarding rate
- traffic flow analysis
- expected future growth
- number of required core connections
- number of hubs that are needed in the access layer to increase performance
- StackWise technology allows up to eight ports to be bound together to increase available bandwidth.
- StackWise technology allows the switch to deliver power to end devices by using existing Ethernet cabling.
- StackWise technology allows the switch capabilities and ports to be expanded by the addition of line cards.
- StackWise technology allows up to nine switches to be interconnected via the use of a fully redundant backplane.
- security policies
- Power over Ethernet
- switch port security
- quality of service
- Layer 3 functionality
- end user access to network
- Layer 1
- Layer 2
- Layer 3
- Layer 4
- scalability
- security
- redundancy
- maintainability
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