Network Infrastructure (IT 2035C)

Which of the following addresses is not on an internal private network?

128.0.0.0 - 128.255.255.255

Which of the following addresses is not on an internal private network?

128.0.0.0. - 128.255.255.255

Given IP address 129.53.5.0/16, what is the network address?

129.53.0.0

Given IP address 129.68.35.110/16, what is the network address?

129.68.0.0

Given IP address 129.68.35.110/16, what is the broadcast address?

129.68.255.255

Given IP address 140.54.6.0/16, what is the network address?

140.54.0.0

Given IP address 192.168.32.252/24, what is the network address?

192.168.32.0

Given IP address 192.168.32.252/24, what is the broadcast address?

192.168.32.255

Given IP address 219.73.46.0/24, what is the broadcast address?

219.73.46.255

Given IP address 237.96.128.116/24, what is the broadcast address?

237.96.128.255

Given IP address 29.47.116.11/16, what is the network address?

29.47.0.0

Given IP address 8.8.8.8/8, what is the network address?

8.0.0.0

Multiple LANs within a building, usually connected to a building-backbone network

Building network

Multiple buildings within a local geographical area (within a few miles), usually connected to a campus-backbone network.

Campus network

A characteristics of classful routing is that it

Can only be divided only in 8, 16, or 24 bit lengths

A typical hierarchical topology contains all the following layers except

Chain

Is important to understand the corporate structure when developing a network topology in order to __________ (select all correct responses) .

Characterize traffic flow Locate major user communities Determine who the decision makers are

Put design into effect

Implement

A set of switched segments based on a particular Layer 2 protocol such as Fast Ethernet and an interswitch trunking protocol such as the IEEE 802.1Q standard.

LAN

Physical

Layer 1

Data Link

Layer 2

Network

Layer 3

Transport

Layer 4

Session

Layer 5

Presentation

Layer 6

Application

Layer 7

Static address assignment is the better choice when

Management or security policy require the addresses be traced

The purpose of load sharing is

Meet availability requirements and improve performance

Final test for effectiveness

Operate

Identify and resolves problems

Optimize

Network requirements are identified

Plan

Networking solutions that support individual remote users or small remote branch offices accessing the network.

Remote Access

Take out of production

Retire

A single network bounded by a switch or router and based on a particular Layer 1 and Layer 2 protocol such as Fast Ethernet.

Segment

In the rapid tree spanning protocol (RSTP), bridge ports can be in one of the following states except

Switching

A geographically dispersed network including point-to-point, Frame Relay, ATM, and other long-distance connections.

WAN

A LAN or WAN that uses unguided medium (rather than a cable).

Wireless network

signal strength is reduced as it passes through a material or other medium

absorption

The amount of useful traffic that is correctly transmitted, relative to total traffic

accuracy

Set of devices that compete for bandwidth

bandwidth domain

Set of devices that hear others' broadcast frames

broadcast domain

A characteristics of classful routing is that it

can only be divided only in 8, 16, or 24 bit lengths

The data-carrying capability of a circuit or network, usually measured in bits per second (bps)

capacity

Time between a frame being ready for transmission for a node and delivery of the frame elsewhere in the network

delay

The amount of time average delay varies

delay variation

when a region of the signal can pass easily is adjacent to a region in which reflective obstructions exist

diffraction

Which of the following is not part of infrastructure characterization of a network?

documenting ISP providers and costs

Advantages for using private addressing include all except

ease in outsourcing network management

An analysis of how much effort is required to produce a certain amount of data throughput

efficiency

System(s) to enforce a boundary between two or more networks

firewall

Unplanned network with too many CPU adjacencies

fur-ball network

Static address assignment is the better choice when

management or security policy require the addresses be traced.

Sum of all the data that all network nodes have ready to send at a particular time

offered load

Maximum average utilization before the network is considered saturated

optimum utilization

signal is bounced back on itself

reflection

signal is bent passing through media of different density

refraction

The amount of time between a request for some network service and a response to the request

response time

Quantity of error-free data successfully transferred between nodes per unit of time, usually seconds

throughput

The percent of total available capacity in use

utilization

Logical, not physical, network, created in software

virtual LAN (VLAN)

Secure- end-to-end private network connection over a third-party network

virtual private network

Area covered by a single access point

wireless cell

In a wireless campus LAN architectures, the feature called Hot Standby mode supports two access points being identically configured, including the IP address. Only one device is active at a time.

False

It is essential to have a single network map for large internetworks for determining scalability and when troubleshooting.

False

Most network designers design networks from scratch and seldom design only enhancements to existing networks.

False

Name Address Translation (NAT) for IP environments allow each end system to learn its address automatically with little or no configuration needed

False

Name Address Translation (NAT) for IP environments allow each end system to learn its address automatically with little or no configuration needed.

False

The distribution layer of a hierarchical network should be designed first to ensure all requirements are met prior to designing the core and access layers

False

When assigning names to key routers and servers, it is good practice to use short, meaningful, unambiguous names that are easy to remember

False

On a campus network topology, user workstations and IP phones are located on the ____ layer

Access

The primary purpose of redundant routers at the upper layers in a network hierarchy is to

Adapt to changes quickly and be highly reliable

When assigning names to key routers and servers, it is good practice to use short, meaningful, unambiguous names that are easy to remember.

False

When selecting routing protocols, it is important to realize that the same routing protocols must be used throughout the internetwork

False

Logical and physical design requirements gathered

Design

Advantages for using private addressing include all except

Ease in outsourcing network management

A large and diverse network, consisting of campuses, remote-access services, and one or more WANs or long-range LANs. Also called an internetwork.

Enterprise network

A distance-vector protocol is recommended for networks that require fast convergence

False

A link-state routing protocol maintains and transmits a routing table that lists known networks and the distance to each network

False

A major advantage of public network numbers is security; public network numbers are not advertised to the Internet

False

A major advantage of public network numbers is security; public network numbers are not advertised to the Internet.

False

A transparent bridge connects one or more LAN segments and learns the location of devices by looking at the source address in each frame. The bridge develops a switching table that records the IP address of the devices on each port.

False

A virtual LAN can not span multiple switches

False

Broadcasting traffic on a LAN should be no more than 40% of the total traffic on each link

False

CRC errors are seldom the result of corruption from environmental noise or collisions between frames.

False

Classful routing protocols transmit a prefix length with an IP address

False

Classful routing protocols transmit a prefix length with an IP address.

False

DHCP servers must be located at the access layer

False

In a partial-mesh topology, every router or switch is connected to one router or one switch only

False

A default route is a special type of static route that is used when there is no entry in the routing table for a destination network.

True

A flat topography is generally adequate for small networks only

True

A routing protocol lets a router dynamically learn how to reach other networks and exchange this information with other routers and hosts

True

An understanding of traffic flow is a good way to start when developing of a network map.

True

Changing frame and receive window sizes on clients and servers can improved network efficiency.

True

Convergence is the time it takes for router to arrive at a consistent understanding of the internetwork topology after a change takes place

True

It is best practice to assign a block of addresses based on physical network instead of group membership

True

It is best practice to assign a block of addresses based on physical network instead of group membership.

True

It is best practice to assign static IP addresses to servers, routers, and network management systems

True

It is best practice to assign static IP addresses to servers, routers, and network management systems.

True

Redundant network designs include a backup path to maintain interconnectivity even when one or more network links are down

True

The Spanning Tree Protocol (STP) is implemented on switches to avoid loops in a topology

True