What network design would contain the scope of disruptions on a network should a failure occur? Explanation: One way to contain the impact of a failure on the network is
to implement redundancy
.
Which characteristics would most influence a network design engineer?
- ability to build a routing table.
- ability to aggregate multiple ports for maximum data throughput.
- ability to provide power to directly-attached devices and the switch itself.
What network design would contain the scope of disruption?
What network design would contain the scope of disruptions on a network should a failure occur? Explanation: One way to contain the impact of a failure on the network is
to implement redundancy
.
Why would a network administrator issue the show CDP Neigbors command on a router?
Why would a network administrator issue the show cdp neighbors command on a router?
To display device ID and other information about directly connected Cisco devices
. Routers R1 and R2 are connected via a serial link. One router is configured as the NTP master, and the other is an NTP client.
What are two characteristics of the best effort QoS model?
- It does not provide a delivery guarantee for packets.
- It uses a connection-oriented approach with QoS.
- It treats all network packets in the same way.
- It allows end hosts to signal their QoS needs to the network.
What are the two characteristics of voice traffic?
Most QoS issues can be broken into an analysis of the four QoS characteristics:
bandwidth, delay, jitter, and loss
. The basics of voice over data networks is covered first, followed by QoS details unique to voice in terms of the four QoS characteristics.
What does the SPF algorithm consider to be the best path to a network?
The path that includes the fastest single bandwidth link.
Which network scenario will require the use of a WAN?
Which network scenario will require the use of a WAN?
Employee workstations need to obtain dynamically assigned IP addresses
. Employees in the branch office need to share files with the headquarters office that is located in a separate building on the same campus network.
What is the function of Show CDP Neigbors command on a router?
Why would a network administrator issue the show cdp neigbors command on a router? Explanation: The show cdp neighbors command
provides information on directly connected Cisco devices including Device ID, local interface, capability, platform, and port ID of the remote device
.
Which three types of information should be used to plan for network growth?
Which three types of information should be used to plan for network growth? (Choose three.) Explanation: Several elements that are needed to scale a network include
documentation of the physical and logical topology
, a list of devices that are used on the network, and an analysis of the traffic on the network.
Why would a network administrator use the Tracert utility?
Answers Explanation & Hints: The tracert utility
is used to identify the path a packet takes from source to destination
. Tracert is commonly used when packets are dropped or not reaching a specific destination.
Which QoS model is the most scalable?
| Benefits Drawbacks | The model is the most scalable. There are no guarantees of delivery. | Scalability is only limited by available bandwidth, in which case all traffic is equally affected. Packets will arrive whenever they can and in any order possible, if they arrive at all. |
|---|
Which QoS uses FIFO?
Hardware queue
: Uses FIFO , and is sometimes called the transmit queue (TxQ) Software queue: Schedules packets into the hardware queue based on the QoS settings.
What is the basic purpose of QoS choose two?
Quality of service (QoS) refers to any technology that
manages data traffic to reduce packet loss, latency and jitter on a network
. QoS controls and manages network resources by setting priorities for specific types of data on the network.
Which QoS mechanism will drop traffic if a session uses more than the allotted bandwidth?
Which QoS mechanism will delay traffic if a session uses more than the allotted bandwidth? The correct answer is “
shaping
.” A classifier is a tool that inspects packets within a field to identify the type of traffic that the packet is carrying.
Which type of network traffic Cannot be managed?
Which type of network traffic cannot be managed using congestion avoidance tools? Explanation: Queuing and compression techniques can help to reduce and prevent
UDP
packet loss, but there is no congestion avoidance for User Datagram Protocol (UDP) based traffic.
