IT 480 Final

Convert IP address to binary: 131.64.33.195

10000011.1000000.100001.11000011

Your organization is issued the IPv6 prefix of 2001:0000:130F::/48 by your service provider. With this prefix, how many bits are available for your organization to create subnetworks if interface ID bits are not borrowed?

16

What is the subnet address for the IPv6 address 2001:D12:AA04:B5::1/64?

2001:D12:AA04:B5::/64​

What is the valid most compressed format possible of the IPv6 address 2001:0DB8:0000:AB00:0000:0000:0000:1234?

2001:DB8:0:AB00::1234

Convert the binary IP address to decimal: 11010001.00011000.10101010.00001111

209.24.170.15

Given a /32 Global Routing Prefix and a /64 prefix, how many bits would be allocated for the Subnet ID?

32

Refer to the exhibit. A network administrator needs to configure router-on-a-stick for the networks that are shown. How many subinterfaces will have to be created on the router if each VLAN that is shown is to be routed and each VLAN has its own subinterface?

4

What is the minimum Ethernet frame size that will not be discarded by the receiver as a runt frame?

64 bytes

Convert the binary IP address to decimal: 01010101.01100010.11100111.11110000

85.98.231.240

What address and prefix length is used when configuring an IPv6 default static route?

::/0

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

A router connects multiple IP networks. It determines the best path to send packets

There are two computers with the following IP addresses: PC-1 206.105.14.226 PC-2 206.105.14.218 The subnet mask is 28 bits. Are the two computers in the same subnet?

False

True or False. RA messages are sent to all IPv6 routers by hosts requesting addressing information.

False

Which part of a GUA is assigned by the ISP?

Global Routing Prefix

Which field is used to detect corruption in the IPv4 header?

Header Checksum

You have been assigned the 196.22.31.0 / 24 subnet by your ISP. You need to have at least 5 subnets. Assume that the subnets need to be the same size.

How many bits do you need to barrow from the host bits and allocate as network bits? 3 What will be the Subnet Mask for the subnets you create? 255.255.255.224 How many subnets can you create with the IP addresses you have been allocated using your subnet mask? 8 How many total addresses in each subnet? 32 How many addresses are usable in each subnet? 30 What is the Network address of the first subnet? 196.22.31.0 What is the Broadcast address of the first subnet? 196.22.31.31 What is the Network address of the second subnet? 196.22.31.32 What is the Broadcast address of the second subnet? 196.22.31.63

Refer to the exhibit. A network administrator is configuring RT1 for inter-VLAN routing. The switch is configured correctly and is functional. Host1, Host2, and Host3 cannot communicate with each other. Based on the router configuration, what is causing the problem?

IP addresses on the subinterfaces are incorrectly matched to the VLANs.

What is indicated by a successful ping to the ::1 IPv6 address?

IP is properly installed on the host.

Which feature on a Cisco router permits the forwarding of traffic for which there is no specific route?

gateway of last resort

Where is the vlan.dat file stored on a switch?

in flash memory

What type of VLAN is configured specifically for network traffic such as SSH, Telnet, HTTPS, HHTP, and SNMP?

management VLAN

To what type of address are ICMPv6 neighbor solicitation messages sent?

multicast

When a Cisco switch receives untagged frames on a 802.1Q trunk port, which VLAN ID is the traffic switched to by default?

native VLAN ID

Which two ICMPv6 messages are used during the Ethernet MAC address resolution process? (Choose two.)

neighbor solicitation neighbor advertisement

What is one function of the ARP protocol?

resolving an IPv4 address to a MAC address

Which scalable method must be implemented in order to provide inter-VLAN routing on a switched network with more than 1000 VLANs?

routing traffic internally to a Layer 3 switch device

What is an attack using ARP?

ARP poisoning

Which statement is true about broadcast and collision domains?

Adding a switch to a network will increase the size of the broadcast domain.

Refer to the exhibit. All workstations are configured correctly in VLAN 20. Workstations that are connected to switch SW1 are not able to send traffic to workstations on SW2. What could be done to remedy the problem?

Allow VLAN 20 on the trunk link.

Which two route source codes are automatically created within a routing table whenever a router interface is configured with an IP address and activated? (Choose two.)

C L

After the election of the root bridge has been completed, how will switches find the best paths to the root bridge?

Each switch will analyze the sum of all port costs to reach the root and use the path with the lowest cost.

Which packet-forwarding method does a router use to make switching decisions when it is using a forwarding information base and an adjacency table?

Cisco Express Forwarding

An administrator issues the command confreg 0x2142 at the rommon 1> prompt. What is the effect when this router is rebooted?

Contents in NVRAM will be ignored.

What are the two methods a device can use to generate its own IPv6 interface ID?

EUI-64 randomly generated

Refer to the exhibit. PC1 is unable to communicate with server 1. The network administrator issues the show interfaces trunk command to begin troubleshooting. What conclusion can be made based on the output of this command?

Interface G0/2 is not configured as a trunk.

A technician is configuring a new Cisco 2960 switch. What is the effect of issuing the BranchSw(config-if)# shutdown command?

It disables a virtual or physical switch interface.

A technician is configuring a new Cisco 2960 switch. What is the effect of issuing the BranchSw# configure terminal command?

It enters the global configuration mode.

A technician is configuring a new Cisco 2960 switch. What is the effect of issuing the BranchSw(config-if)# exit command?

It returns to global configuration mode.

Which action is taken by a Layer 2 switch when it receives a Layer 2 broadcast frame?

It sends the frame to all ports except the port on which it received the frame.

What type of IPv6 address begins with fe80?

LLA

The ARP table in a switch maps which two types of address together?

Layer 3 address to a Layer 2 address

What two functions are provided by ARP? (Choose two.)

Maintains a table of IPv4 to MAC address mappings Resolves IPv4 addresses to MAC addresses

Which dynamic addressing method for GUAs is the one where devices rely solely on the contents of the RA message for their addressing information?

Method 1: SLAAC

A network contains multiple VLANs spanning multiple switches. What happens when a device in VLAN 20 sends a broadcast Ethernet frame?

Only devices in VLAN 20 see the frame.

Which technology solves the problem of a device being unable to get an IPv4 address from a DHCP server due to STP forwarding delay timers?

PortFast

Which field includes common values such as ICMP (1), TCP (6), and UDP (17)?

Protocol

Which router component holds the routing table, ARP cache, and running configuration file?

RAM

Which protocol was designed to bring faster convergence to STP?

RSTP

What device is elected by the Spanning Tree Algorithm to which all other switches determine a single least-cost path?

Root bridge

The port closest to the root bridge in terms of least overall cost (best path) to the root bridge is the:

Root port

Which protocol adds security to remote connections?

SSH

Which tasks can be accomplished by using the command history feature? (Choose two.)

Set the command history buffer size. Recall previously entered commands.

Which three advantages are provided by static routing? (Choose three.)

Static routing does not advertise over the network, thus providing better security. Static routing typically uses less network bandwidth and fewer CPU operations than dynamic routing does. The path a static route uses to send data is known.

What are two reasons why an administrator might choose to use static routing rather than dynamic routing? (Choose two.)

Static routing is more secure. Static routing uses less router processing and bandwidth.

On a switch that is configured with multiple VLANs, which command will remove only VLAN 100 from the switch?

Switch(config)# no vlan 100

There are two computers with the following IP addresses: PC-1 201.99.14.230 PC-2 201.99.14.210 The subnet mask is 26 bits. Are the two computers in the same subnet?

True

An administrator is investigating a failure on a trunk link between a Cisco switch and a switch from another vendor. After a few show commands, the administrator notices that the the switches are not negotiating a trunk. What is a probable cause for this issue?

Switches from other vendors do not support DTP.

Which is true of the IPv6 packet header?

The Hop Limit field replaces the IPv4 Time to Live field.

Which characteristic describes an IPv6 enhancement over IPv4?​

The IPv6 header is simpler than the IPv4 header is, which improves packet handling.

What destination MAC address would be included in a frame sent from a source device to a destination device on the same local network?

The MAC address of the destination device.

Which statements best describe the different types of inter-VLAN routing solutions?

The diagram displays a Layer 3 inter-VLAN solution

Refer to the exhibit. A network administrator is verifying the configuration of inter-VLAN routing. Users complain that PC2 cannot communicate with PC1. Based on the output, what is the possible cause of the problem?

The encapsulation dot1Q 5 command contains the wrong VLAN.

True or False: 4 out of 5 RIRs no longer have enough IPv4 addresses to allocate to customers on a regular basis.

True

What happens to switch ports after the VLAN to which they are assigned is deleted?

The ports stop communicating with the attached devices.

True or False? A router can be configured with a combination of both static routes and a dynamic routing protocol.

True

Which two statements describe a switch port that is configured with PortFast? (Choose two.)

The switch port immediately transitions from blocking to the forwarding state. The switch port should never receive BPDUs.

Which is a characteristic of static routes?

They are manually configured.

What is the purpose of frame buffers on a switch?

They hold traffic, thus alleviating network congestion.

How do switch buffers affect network performance?

They store frames received, thus preventing premature frame discarding when network congestion occurs.

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

Traffic is routed via internal VLAN interfaces.

When a connectionless protocol is in use at a lower layer of the OSI model, how is missing data detected and retransmitted if necessary?

Upper-layer connection-oriented protocols keep track of the data received and can request retransmission from the upper-level protocols on the sending host.

What additional information is contained in the 12-bit extended system ID of a BPDU?

VLAN ID

Given the following IP address 196.14.160.67 and a Subnet Mask of 255.255.255.192:

What is the Network address (first address in the network)? 196.14.160.64 What is the Broadcast address (last address in the network)? 196.14.160.127

What are three parts of an IPv6 global unicast address? (Choose three.)

a global routing prefix that is used to identify the network portion of the address that has been provided by an ISP a subnet ID that is used to identify networks inside of the local enterprise site an interface ID that is used to identify the local host on the network

What is required to perform router-on-a-stick inter-VLAN routing?

a router that is configured with multiple subinterfaces

What is an advantage of using dynamic routing protocols instead of static routing?

ability to actively search for new routes if the current path becomes unavailable​

The output of the show ip route command contains the following entry:S 10.2.0.0 [1/0] via 172.16.2.2.What value is indicated by the 1 in the [1/0] portion of the output?

administrative distance

Which value represents the "trustworthiness" of a route and is used to determine which route to install into the routing table when there are multiple routes toward the same destination?

administrative distance

A cybersecurity analyst believes an attacker is spoofing the MAC address of the default gateway to perform a man-in-the-middle attack. Which command should the analyst use to view the MAC address a host is using to reach the default gateway?

arp -a

Which delivery method does not guarantee that the packet will be delivered fully without errors?

best effort

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

between two switches that utilize multiple VLANs between a switch and a server that has an 802.1Q NIC

A router receives a packet from the Gigabit 0/0 interface and determines that the packet needs to be forwarded out the Gigabit 0/1 interface. What will the router do next?

create a new Layer 2 Ethernet frame to be sent to the destination

What type of VLAN should not carry voice and network management traffic?

data VLAN

Which layer is responsible for taking an IP packet and preparing it for transmission over the communications medium?

data link layer

Which type of route would typically be used on a border router so that devices inside the company could access the Internet?

default

What type of VLAN is initially the management VLAN?

default VLAN

Which type of static route creates a gateway of last resort?

default static route

Which of the following techniques use native IPv6 connectivity?

dual stack

Which port state will switch ports immediately transition to when configured for PortFast?

forwarding

Which switch characteristic helps alleviate network congestion when a 10 Gbps port is forwarding data to a 1 Gbps port?

frame buffering

At a minimum, which address is required on IPv6-enabled interfaces?

link-local

When PVST is running over a switched network, which port state canparticipate in BPDU frame forwarding based on BPDUs received, but does not forward data frames?

listening

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

show controllers

Which command will provide information about the status of all interfaces 'including the number of giants, runts, and collisions on the interface?

show interfaces

Which command could be used on a Cisco router to view its ARP table?

show ip arp

An administrator is troubleshooting a switch and wants to verify if it is a root bridge. What command can be used to do this?

show spanning-tree

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

source MAC address and incoming port number

Refer to the exhibit. A network administrator has configured router CiscoVille with the above commands to provide inter-VLAN routing. What command will be required on a switch that is connected to the Gi0/0 interface on router CiscoVille to allow inter-VLAN routing?​

switchport mode trunk

Which switching method makes use of the FCS value?

store-and-forward

Which prompt is displayed when a network administrator successfully accesses the boot loader on a switch to recover from a system crash?

switch:

When an IP packet is sent to a host on a remote network, what information is provided by ARP?

the MAC address of the router interface closest to the sending host

When a router learns that multiple paths are available to a destination network from the same routing protocol, which factor is considered by a router to choose the best path to forward a packet?

the lowest metric

Which information does a switch use to keep the MAC address table information current?

the source MAC address and incoming port

How does the ARP process use an IP address?

to determine the MAC address of a device on the same network

A network administrator enters the following command sequence on a Cisco 3560 switch. What is the purpose of these commands? Switch(config)# interface gigabitethernet 0/1 Switch(config-if)# no switchport:

to make the Gi0/1 port a routed port

What is the purpose of ARP in an IPv4 network?

to obtain a specific MAC address when an IP address is known

Which OSI layer sends segments to be encapsulated in an IPv4 or IPv6 packet?

transport layer

When configuring a switch for SSH access, what other command that is associated with the login local command is required to be entered on the switch?

username username secret secret

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

when connecting a Cisco switch to a non-Cisco switch on links that should not be trunking