ccna 3 discovery modul 5

Which of the following are requirements of LAN design? (Choose three.)

*** adaptability

*** manageability

operability

*** scalability

stability

When designing a LAN, at which layer of the OSI model does the process of segmenting collision domains occur?

Layer 1

*** Layer 2

Layer 4

Layer 7

Which of the following affect network availability? (Choose three.)

*** throughput

*** response time

workstation speed

*** access to resources

desktop applications

What type of cabling is specified by TIA/EIA standards for interconnection of Intermediate and Main Distribution Facilities?

patch cables of variable lengths

horizontal cross-connect cabling

*** vertical cross-connect cabling

parallel cross-connect cabling

Which of the following are features of the access layer of the hierarchical network design model? (Choose two.)

inter-VLAN routing

*** Layer 2 filtering

Layer 3 filtering

*** microsegmentation

bandwidth security

A distribution layer switch operates at which OSI layers? (Choose two.)

access

*** data link

*** network

internet

transport



Which layer of the hierarchical network design model is often referred to as the backbone?

access

distribution

network

*** core

workgroup

WAN

At which layer of the hierarchical design model do users connect to the network?

application

*** access

distribution

network

core

Which hierarchical design model layer is responsible for containing network problems to the workgroups in which they occur?

application

access

*** distribution

network

core

Which of the following are characteristics of the core layer of the hierarchical network design model? (Choose three.)

*** redundant paths

high-level policy enforcement

packet manipulation

media transitions

*** rapid forwarding of traffic

*** no packet filtering

What is the primary reason for implementing security and policy routing at the distribution layer?

filtering of core switching errors

*** preventing policy and security issues from burdening the core layer

preventing unnecessary security policy decisions from burdening the access layer

maintaining a consistent three-layer security policy

isolating the access layer from traffic destined for other networks





A major network upgrade that was designed to improve speed and reliability has recently been completed. Users in one part of the network are experiencing dramatically decreased throughput and loss of connectivity. Which of the LAN design goals was not met for these users?

*** functionality

sustainability

adaptability

manageability

scalability

To reduce cost on a new network design, administrators select switches that initially will have 100 Mbps interface modules installed but will also have the ability to support 1000 Mbps interface modules. Which of the LAN design goals are being utilized? (Choose two.)

sustainability

reliability

manageability

*** adaptability

functionality

*** scalability

What will increase the number of broadcast domains in a network? (Choose two.)

replacing hubs with switches

*** segmenting the network by installing a router

*** creating VLANs for each workgroup

adding additional hubs to the local area network

replacing routers with LAN switches

adding bridges to connect different workgroups

Where should DNS and email servers be located?

IDF

*** MDF

HCC

VCC

POP

Which LAN standard uses CSMA/CD as its access method?

FDDI

*** Ethernet

Wireless

Token Ring



VLAN1 and VLAN2 have been configured on a switch. What must be done for hosts on VLAN1 to communicate with hosts on VLAN2?

VLAN overlapping must be enabled on the switch.

The MAC address must be added to the ARP table in the switch.

*** A router must be configured to allow routing between the VLANs.

An entry in the switching table must be configured for each VLAN.

Communication between VLANs is automatically enabled on switches

A network administrator needs to increase bandwidth and reduce traffic on a network. What should be used in the access layer of the hierarchical network design model to dedicate bandwidth to users while limiting broadcast domains?

one router with multiple fast Ethernet interfaces

multiple routers with Fast Ethernet interfaces

multi-port gigabit switches

*** switches running VLANs

managed smart hubs

Which devices are considered acceptable for creating more connection points at the end of horizontal cable runs? (Choose two.)

*** hubs

bridges

*** switches

routers

Why is it important that the data carrying capacity of vertical cabling be greater than that of the horizontal cable?

Vertical cabling is reserved for high bandwith video conferencing.

Vertical cabling carries traffic from the IDF to the user.

Vertical cabling carries traffic from the enterprise out to the Internet.

*** Vertical cabling carries traffic from multiple areas of the network.

Layer-three packets move faster through vertical cabling