Ccna 2 Chapter 1 V5 Exam Answers 2016

Front 1

What is one advantage of using the cut-through switching method instead of the store-and-forward switching method?

Back 1

has a lower latency appropriate for high-performance computing applications​*

Front 2

A network designer must provide a rationale to a customer for a design which will move an enterprise from a flat network topology to a hierarchical network topology. Which two features of the hierarchical design make it the better choice? (Choose two.)

Back 2

simpler deployment for additional switch equipment*

easier to provide redundant links to ensure higher availability*

Front 3

What are two advantages of modular switches over fixed-configuration switches? (Choose two.)

Back 3

need for fewer power outlets*

increased scalability*

Front 4

what is Encapsulation.1Q 15 Native

Back 4

– example of a command on a router you would use to set up a trunk line. The 15 is the vlan number

Front 5

A routed port (you need a layer 3 switch to do this) on a switch is similar to what?

Back 5

A port on a router - or a routed port

Front 6

What is the default vlan

Back 6

Vlan 1

Front 7

occurs in a router when the router is looking for the route, it goes to the routing table, when it finds 2 routes that are equally as important – allows a router to forward packets over multiple paths to the same destination network.

Back 7

load balance

Front 8

switching method where the switch completely receives the data and then sends it

Back 8

Store and forward

Front 9

-transfers a frame as soon as the destination address is read. It has a hardware switch built in – as soon as it sees the destination address, the hardware switch switches it over, what goes in goes out (lol) –

Back 9

Cutthrough

Front 10

what will adding a switch do to your network – in terms of broadcast domain and collision domain –

Back 10

adding a switch to your network will increase your broadcast domain but not your collision domain.

Front 11

Why are routers needed in a network?

Back 11

so you can connect to a remote network (another network)

Front 12

What is a property of a static router?

Back 12

it’s a manual configuration, it will not change until you change it (manually reconfigure to adapt to the network)

Front 13

What is one function of a Layer 2 switch?

Back 13

determines which interface is used to forward a frame based on the destination MAC address*

Front 14

What is a collapsed core in a network design?

Back 14

a combination of the functionality of the distribution and core layers*

Front 15

What are two reasons a network administrator would segment a network with a Layer 2 switch?

Back 15

to isolate traffic between segments*

to enhance user bandwidth

Front 16

What is a basic function of the Cisco Borderless Architecture distribution layer?

Back 16

aggregating Layer 3 routing boundaries*

Front 17

ABC, Inc. has about fifty hosts in one LAN. The administrator would like to increase the throughput of that LAN. Which device will increase the number of collision domains and thereby increase the throughput of the LAN?

Back 17

switch*

Front 18

What does the term “port density” represent for an Ethernet switch?

Back 18

the number of available ports*

Front 19

Which type of transmission does a switch use when the destination MAC address is not contained in the MAC address table?

Back 19

broadcast

Front 20

What is a basic function of the Cisco Borderless Architecture access layer?

Back 20

provides access to the user

Front 21

What information is added to the switch table from incoming frames?

Back 21

source MAC address and incoming port number*

Front 22

An administrator purchases new Cisco switches that have a feature called StackPower. What is the purpose of this feature?

Back 22

It enables the sharing of power among multiple stackable switches.*

Front 23

Which switch form factor should be used when large port density,

fault tolerance,

and low price are important factors?

Back 23

stackable switch*

Front 24

What tool is important to consider for use when making hardware improvement decisions about switches?

Back 24

traffic flow analysis*

Front 25

What is the maximum wire speed of a single port on a 48-port gigabit switch?

Back 25

1000 Mb/s*

Front 26

When the installation of a network infrastructure is being planned, which technology will allow power to be provided via Ethernet cabling to a downstream switch and its connected devices?

Back 26

PoE pass-through*

Front 27

low cost and easy solution

Back 27

fixed configuration*

Front 28

What is a definition of a two-tier LAN network design?

Back 28

distribution and core layers collapsed into one tier, and the access layer on a separate tier*

Front 29

What two criteria are used by a Cisco LAN switch to decide how to forward Ethernet frames?

Back 29

destination MAC address*

ingress port*

Front 30

Which statement describes the microsegmentation feature of a LAN switch?

Back 30

Each port forms a collision domain.*

Front 31

What is the destination address in the header of a broadcast frame

Back 31

FF-FF-FF-FF-FF-FF*

Front 32

which type of address does a switch use to build the MAC address table?

Back 32

source MAC address*

Front 33

Which type of cable does a network administrator need to connect a PC to a switch to recover it after the Cisco IOS software fails to load?

Back 33

console cable

Front 34

Which two basic functions are performed by network security tools? (Choose two.)

Back 34

revealing -..

simulating - ..

Front 35

While troubleshooting a connectivity problem, a network administrator notices that a switch port status LED is alternating between green and amber. What could this LED indicate?

Back 35

the port is experiencing errors

Front 36

In which type of attack does a malicious node request all available IP addresses in the address pool of a DHCP server in order to prevent legitimate hosts from obtaining network access?

Back 36

DHCP starvation*

Front 37

Which two statements are true regarding switch port security? (Choose two.)

Back 37

Dynamically learned secure MAC addresses are lost when the switch reboots.*

If fewer than the maximum number of MAC addresses for a port are configured statically, dynamically learned addresses are added to CAM until the maximum number is reached.*

Front 38

Which method would mitigate a MAC address flooding attack?

Back 38

configuring port security*

Front 39

Which interface is the default location that would contain the IP address used to manage a 24-port Ethernet switch?

Back 39

VLAN 1*

Front 40

Which command displays information about the auto-MDIX setting for a specific interface?

Back 40

show controllers*

Front 41

Which two features on a Cisco Catalyst switch can be used to mitigate DHCP starvation and DHCP spoofing attacks? (Choose two.)

Back 41

port security*

DHCP snooping*

Front 42

Which statement describes the port speed LED on the Cisco Catalyst 2960 switch?

Back 42

If the LED is green, the port is operating at 100 Mb/s.*

Front 43

A network administrator is determining the best placement of VLAN trunk links. Which two types of point-to-point connections utilize VLAN trunking?​

Back 43

between a switch and a server that has an 802.1Q NIC*

between two switches that utilize multiple VLANs*

Front 44

What happens to a port that is associated with VLAN 10 when the administrator deletes VLAN 10 from the switch?

Back 44

The port becomes inactive.*

Front 45

Which command is used to remove only VLAN 20 from a switch?

Back 45

no vlan 20*

Front 46

What is the effect of issuing a switchport access vlan 20 command on the Fa0/18 port of a switch that does not have this VLAN in the VLAN database?

Back 46

VLAN 20 will be created automatically.*

Front 47

Which command displays the encapsulation type, the voice VLAN ID, and the access mode VLAN for the Fa0/1 interface?

Back 47

show interfaces Fa0/1 switchport

Front 48

Port Fa0/11 on a switch is assigned to VLAN 30. If the command no switchport access vlan 30 is entered on the Fa0/11 interface, what will happen?

Back 48

Port Fa0/11 on a switch is assigned to VLAN 30. If the command no switchport access vlan 30 is entered on the Fa0/11 interface, what will happen?

Front 49

In a basic VLAN hopping attack, which switch feature do attackers take advantage of?

Back 49

the default automatic trunking configuration*

Front 50

What VLANs are allowed across a trunk when the range of allowed VLANs is set to the default value?

Back 50

All VLANs will be allowed across the trunk.*

Front 51

Under which two occasions should an administrator disable DTP while managing a local area network? (Choose two.)

Back 51

**when connecting a Cisco switch to a non-Cisco switch**

**on links that should not be trunking**

Front 52

Which combination of DTP modes set on adjacent Cisco switches will cause the link to become an access link instead of a trunk link?

Back 52

dynamic auto – dynamic auto*

Front 53

An administrator has determined that the traffic from a switch that corresponds to a VLAN is not being received on another switch over a trunk link. What could be the problem?

Back 53

allowed VLANS on trunks*

Front 54

Which two characteristics match extended range VLANs? (Choose two.)

Back 54

They are saved in the running-config file by default.*

VLAN IDs exist between 1006 to 4094.*

Front 55

Which two modes does Cisco recommend when configuring a particular switch port? (Choose two.)

Back 55

trunk

access

Front 56

What are three primary benefits of using VLANs? (Choose three.)

Back 56

improved IT staff efficiency*

security

cost reduction

Front 57

What type of IPv6 address is required as a

minimum on IPv6 enabled interfaces?

Back 57

link-local*

Front 58

In order for packets to be sent to a remote destination, what three pieces of information must be configured on a host? (Choose three.)

Back 58

default gateway*

IP address*

subnet mask*

Front 59

What two pieces of information are displayed in the output of the show ip interface brief command?

Back 59

Layer 1 statuses*

IP addresses*

Front 60

Which two items are used by a host device when performing an ANDing operation to determine if a destination address is on the same local network? (Choose two.)

Back 60

destination IP address*

subnet mask*

Front 61

Which two statements correctly describe the concepts of administrative distance and metric? (Choose two.)

Back 61

Routes with the smallest metric to a destination indicate the best path.*

Administrative distance refers to the trustworthiness of a particular route.*

Front 62

What are two functions of a router? (Choose two.)

Back 62

It determines the best path to send packets.*

It connects multiple IP networks.*

Front 63

If NAT is not performed on the packet, which two items remain unchanged during the transfer of the packet from source to destination? (Choose two.)

Back 63

source IP address*

destination IP address*

Front 64

When a router receives a packet, it examines the destination address of the packet and looks in the ” ???? ” table to determine the best path to use to forward the packet.

Back 64

routing

Front 65

What address changes as a packet travels across multiple Layer 3 Ethernet hops to its final destination?

Back 65

source Layer 2 address*

Front 66

Which command can the administrator issue on a router to display the supported routing protocols?

Back 66

Router(config)# router ?*

Front 67

Which statement describes a route that has been learned dynamically?

Back 67

It is automatically updated and maintained by routing protocols.*

Front 68

What is one feature that distinguishes routers from Layer 2 switches?

Back 68

Routers support a variety of interface types. Switches typically support Ethernet interfaces.*

Front 69

Which statement describes a route that has been learned dynamically?

Back 69

It is automatically updated and maintained by routing protocols.*

Front 70

When a computer is pinging another computer for the first time, what type of message does it place on the network to determine the MAC address of the other device?

Back 70

Arp request

Front 71

Which two network parameters are used by EIGRP as metrics to select the best path to reach a network? (Choose Two.)

Back 71

bandwidth*

delay

Front 72

What route would have the lowest administrative distance

Back 72

a directly connected network

Front 73

Which software is used for a network administrator to make the initial router configuration securely?

Back 73

terminal emulation client software*

Front 74

What are two types of static routes in routing tables? (choose two)

Back 74

default static route*

static route to specific network*

Front 75

what is a characteristic of an IPv4 interface on a Cisco IOS router?

Back 75

it is a logical int internal to the router*

Front 76

What is a characteristic of an IPv4 loopback interface on a Cisco IOS router?

Back 76

It is a logical interface internal to the router.*

Front 77

​Which command is used to display the list of VLANs that exists on the switch?

Back 77

show vlan

Front 78

What is a disadvantage of using multilayer switches for inter-VLAN routing?

Back 78

Multilayer switches are more expensive than router-on-a-stick implementations.*

Front 79

What condition is required to enable Layer 3 switching?

Back 79

The Layer 3 switch must have IP routing enabled.*

Front 80

Which type of inter-VLAN communication design requires the configuration of multiple subinterfaces?

Back 80

router on a stick*

Front 81

How is traffic routed between multiple VLANs on a multilayer switch?

Back 81

Traffic is routed via internal VLAN interfaces.*

Front 82

What is a disadvantage of using router-on-a-stick inter-VLAN routing?

Back 82

does not scale well beyond 50 VLANs*

Front 83

Which statement describes a disadvantage of using router subinterfaces for inter-VLAN routing?

Back 83

Routed traffic must contend for bandwidth on a single router interface.*

Front 84

While configuring inter-VLAN routing on a multilayer switch, a/an ” ??? ” is used as a virtual-routed VLAN interface.

Back 84

SVI

Front 85

what is the purpose of a switchport command?

Back 85

to create a routed port for a single network*

Front 86

How are IP addressing designs affected by VLAN implementations?

Back 86

Each VLAN must have a different network number.*

Front 87

What is a characteristic of a routed port

on a Layer 3 switch?

Back 87

It is not assigned to a VLAN.*

Front 88

In what switch mode should port G0/1 be

assigned if Cisco best practices are being used?

Back 88

Trunk

Front 89

What is a property of a static router? –

Back 89

– it’s a manual configuration, it will not change until you change it (manually reconfigure to adapt to the network)

Front 90

Why are routers needed in a network?

Back 90

so you can connect to a remote network

Front 91

transfers a frame as soon as the destination address is read.

Back 91

cutthrough