Cisco 2 Final Study Guide (Multiple Choice)

How many channels are available for the 2.4 GHz band in Europe? 11 13 14 24

13

What UDP ports and IP protocols in the frame header are used by CAPWAP for IPv6? (Choose three.) 17 136 5246 5247 802.11

136, 5246, 5247

What are the best ways to secure WLANs? (Choose two.) Authentication SSID cloaking Encryption MAC address filtering

Authentication, encryption

Which of the following is a standalone device, like a home router, where the entire WLAN configuration resides on the device? Range extender Autonomous AP Controller-based AP USB Wireless NIC

Autonomous AP

What method is used by a host to verify an IPv6 address is unique on the local network before assigning that address to an interface? ARP DAD PING SLAAC

DAD

Which of the following modulation techniques spreads a signal over a larger frequency band? DSSS FHSS OFDM OFDMA

DSSS

A laptop cannot connect to a wireless access point. Which two troubleshooting steps should be taken first? (Choose two.) Ensure that the wireless NIC is enabled Ensure that the laptop antenna is attached Ensure that the wireless SSID is chosen Ensure that the correct network media is selected Ensure that the NIC is configured for the proper frequency

Ensure that the wireless NIC is enabled, ensure that the wireless SSID is chosen

Which of the following modulation techniques rapidly switches a signal among frequency channels? DSSS FHSS OFDM OFDMA

FHSS

True or False: A rogue AP is a misconfigured AP connected to the network and a possible source of DoS attacks. True False

False

True or False: DTLS is enabled by default on the control and data CAPWAP tunnels. True False

False

True or False: Laptops that do not have an integrated wireless NIC can only be attached to the network through a wired connection. True False

False

What action will a router take on a packet with a destination IP address that is on a remote network? It will forward the packet directly to the device with the destination IP address of the packet It will forward the packet to a next-hop router It will forward the packet to an Ethernet switch It will drop the packet

It will forward the packet to a next-hop router

What M flag setting indicates that stateful DHCPv6 is used? M=0 M=1

M=1

What type of attack is an "evil twin AP" attack? DoS MITM Wireless intruder Radio interference

MITM

Which WLC tab would a network administrator typically use to see a summary view of the most heavily used WLANs including the number of clients using a particular WLAN? Commands Controller Monitor WLANs

Monitor

Which of the following modulation techniques is used in the new 802.11ax standard? DSSS FHSS OFDM OFDMA

OFDMA

Which of the following antennas provide 360 degrees of coverage? Wireless NIC Directional Omnidirectional MIMO

Omnidirectional

Which of the following authentication methods does not use a password shared between the wireless client and the AP? WEP WPA WPA2 WPA3 Open

Open

In the split MAC architecture for CAPWAP, which of the following are the responsibility of the AP? (Choose four.) Authentication Packet acknowledgements and retransmissions Beacons and probe responses Association and re-association of roaming clients MAC layer data encryption and decryption Termination of 802.11 traffic on a wired interface Frame translation to other protocols Frame queueing and packet prioritization

Packet acknowledgements and retransmissions, Beacons and probe responses, MAC layer data encryption and decryption, Frame queueing and packet prioritization

What is the term for an AP that openly advertises its service periodically? Active Infrastructure Ad hoc Passive

Passive

Which encryption method is used by the original 802.11 specification? AES TKIP AES or TKIP RC4

RC4

Which method best describes stateless DHCP? SLAAC only SLAAC with stateless DHCPv6 Server Stateful DHCPv6 Server

SLAAC with stateless DHCPv6 Server

Which protocol could be used by a company to monitor devices such as a wireless LAN controller (WLC)? NTP PAT SNMP SSH

SNMP

What DHCPv6 message does a host send to look for a DHCPv6 server? ADVERTISE SOLICIT INFORMATION-REQUEST REQUEST

SOLICIT

Users on an IEEE 802.11n network are complaining of slow speeds. The network administrator checks the AP and verifies it is operating properly. What can be done to improve the wireless performance in the network? Split the wireless traffic between the 802.11n 2.4 GHz band and the 5 GHz band Change the authentication method on the AP Switch to an 802.11g AP Set the AP to mixed mode

Split the wireless traffic between the 802.11n 2.4 GHz band and the 5 GHz band

Which command must be configured on a router to enable it to join the IPv6 all-routers multicast address ff02::2? ip routing ipv6 unicast-routing ipv6 address ipv6-address/prefix-length ipv6 address ipv6-address link-local

ipv6 unicast-routing

What is used to determine the minimum number of far-left bits that must match between the prefix in the route entry and the destination IP address. prefix length in the routing table entry prefix length of the destination IP address the classful address of the network address

prefix length in the routing table entry

When a wireless network in a small office is being set up, which type of IP addressing is typically used on the networked devices? public private network wireless

private

What table does a router use to determine how to forward an IP packet? ARP table MAC address table neighbor cache routing table

routing table

Which DHCPv6 verification command would display the link-local and GUA assigned address for each active client? show ip dhcp pool show ipv6 dhcp binding show ipv6 dhcp interface show ipv6 dhcp pool

show ipv6 dhcp binding

Why would a technician configure a passphrase for a WLAN on a wireless router? to protect someone from changing the configuration to configure wireless client authentication to protect someone from cabling directly to the router and accessing the router to protect the SSID from being changed

to configure wireless client authentication

Which message is sent by a DHCPv4 client to initiate the lease obtaining process? DHCPDISCOVER DHCPOFFER DHCPREQUEST DHCPACK

DHCPDISCOVER

A user is configuring a wireless access point and wants to prevent any neighbors from discovering the network. What action does the user need to take? Disable SSID broadcast Enable WPA encryption Configure DMZ settings Configure a DNS server

Disable SSID broadcast

True or False: When you need to expand the coverage of a small network, the best solution is to use a range extender. True False

False

An IPv6-enabled router is to acquire its IPv6 GUA from another IPv6 router using SLAAC. Which interface configuration command should be configured on the client router? ipv6 address autoconfig ipv6 address auto config ipv6 address dhcp ipv6 address dhcpv6

ipv6 address autoconfig

An IPv6-enabled router is to acquire its IPv6 GUA from a DHCPv6 server. Which interface configuration command should be configured on client router? ipv6 address autoconfig ipv6 address auto config ipv6 address dhcp ipv6 address dhcpv6

ipv6 address dhcp

Which command is configured on the client LAN interface of the DHCPv6 relay agent? ip helper-address ipv6 dhcp relay destination ipv6 enable ipv6 helper-address

ipv6 dhcp relay destination

How many channels are available for the 5 GHz band? 11 13 14 24

24

What UDP port do DHCPv6 clients use to send DHCPv6 messages? 67 68 546 547

547

What IP versions does CAPWAP support? IPV4 only IPV6 only IPV4 by default, but can configure IPV6 IPV6 by default, but can configure IPV4

IPV4 by default, but can configure IPV6

A customer installs a wireless access point at home in the closet next to the kitchen. The customer mentions that the wireless communication performance seems degraded when the cordless phone or the microwave oven is in use. What is the possible reason for this degradation? The access point is close to walls The cordless phone joins the WLAN and shares the available bandwidth The wireless signal is in the smae radio frequency range as the household devices are in The access point is on the same electrical circuit sa the phone base unit and microwave oven are The surge of electricity when a microwave open is in use disrupts the operation of the access point

The wireless signal is in the same radio frequency range as the household devices are in

True or False: An ESS is created when two or more BSSs need to be joined to support roaming clients. True False

True

Which of the following wireless networks are specified in the IEEE 802.11 standards for the 2.4 GHz and 5 GHz radio frequencies? WPAN WLAN WMAN WWAN

WLAN

Which of the following authentication methods has the user enter a pre-shared password? (Choose two) Open WPA Personal WPA Enterprise WPA2 Personal WPA2 Enterprise

WPA Personal, WPA2 Personal

Which of the following wireless networks typically uses lower powered transmitters for short ranges? WPAN WLAN WMAN WWAN

WPAN

What flag settings combination is used for stateless DHCP? A=1, M=0, O=0 A=0, M=1, O=0 A=1, M=0, O=1 A=0, M=1, O=1

A=1, M=0, O=1

Which of the following encryption methods uses CCMP to recognize if the encrypted and non-encrypted bits have been altered? RC4 TKIP AES

AES

Which of the following components are integrated in a wireless home router? (Choose three.) Access point Switch Router Range extender

Access point, Switch, Router

Which of the following is an IEEE 802.15 WPAN standard that uses a device-pairing process to communicate? Cellular WiMAX Wi-Fi Bluetooth

Bluetooth

Which packet forwarding method is used by default on Cisco routers? process switching fast switching Cisco Express Forwarding Ethernet switching

Cisco Express Forwarding

What DHCPv6 message does a host send to the DHCPv6 server if it is using stateful DHCPv6? ADVERTISE SOLICIT INFORMATION-REQUEST REQUEST

REQUEST

Which two ICMPv6 messages are used in the SLAAC process? (Choose two.) Neighbor Advertisements (NA) Neighbor Solicitation (NS) Router Solicitation (RS) Router Advertisements (RA)

Router Solicitation (RS), Router Advertisements (RA)

Which of the following is most likely NOT the source of a wireless DoS attack? Radio interference Improperly configured devices Rogue AP Malicious user

Rogue AP

What UDP ports and IP protocols in the frame header are used by CAPWAP for IPv4? (Choose three.) 17 136 5246 5247 802.11

17, 5246, 5247

How many address fields are in the 802.11 wireless frame? 2 3 4 5

4

Which 802.11 standards exclusively use the 5 GHz radio frequency? (Choose 2) 802.11a 802.11g 802.11n 802.11ac 802.11ax

802.11a, 802.11ac

What is a difference between autonomous APs that operate in a home environment and controller-based APs that operate in a corporate environment? Autonomous APs incorporate the functions of a router, switch, and AP into one device Autonomous APs do not support PoE Controller-based APs can be automatically configured and managed by a WLAN controller Controller-based APs are known as lightweight APs and require an initial configuration to operate

controller-based APs can be automatically configured and managed by a WLAN controller

Which command is not configured in stateless DHCPv6? address prefix ipv6-address/prefix domain-name name dns-server server-address ipv6 dhcp server pool-name

address prefix ipv6-address/prefix

Which of the following routes may be found in a routing table? (Choose all that apply.) directly connected networks static routes dynamic routing protocol routes default route all of the above

all of the above

Which two DHCPv4 messages are sent by the server in the lease obtaining process? (Choose two.) DHCPDISCOVER DHCPOFFER DHCPREQUEST DHCPACK

DHCPOFFER, DHCPACK

Which ICMPv6 message is sent by a host in an attempt to locate an online IPv6enabled router to obtain IPv6 addressing information? Neighbor Advertisements (NA) Neighbor Solicitation (NS) Router Solicitation (RS) Router Advertisements (RA)

Router Solicitation (RS)

A router is to provide DHCPv6 server services. Which command should be configured on the client facing interface? ipv6 enable ipv6 dhcp pool POOL-NAME ipv6 dhcp server POOL-NAME ipv6 nd other-config-flag

ipv6 dhcp server POOL-NAME

What are the flag settings when a host should use the SLAAC only option? A=1, M=0, O=0 A=1, M=1, O=0 A=1, M=0, O=1 A=0, M=1, O=1

A=1, M=0, O=0

What is the term for an AP that does not send a beacon, but waits for clients to send probes? Active infrastructure Ad hoc Passive

Active

Which wireless topology mode is used by two devices to connect in a peer-to-peer network? Ad hoc Infrastructure Tethering

Ad hoc

In the split MAC architecture for CAPWAP, which of the following are the responsibility of the WLC? (Choose four.) Authentication Packet acknowledgements and retransmissions Beacons and probe responses Association and re-association of roaming clients MAC layer data encryption and decryption Termination of 802.11 traffic on a wired interface Frame translation to other protocols Frame queueing and packet prioritization

Authentication, association and re-association of roaming clients, termination of 802.11 traffic on a wired interface, frame translation to other protocols

A user has just purchased a generic home router and would like to secure it. What should be done to help secure the wireless home router? Change the default administrator password Set a private IPv4 network for the internal network Change the default SSID Allow only IPv6 traffic to enter the router

Change the default administrator password

Which two DHCPv4 messages are used in the lease renewal process? (Choose two.) DHCPDISCOVER DHCPOFFER DHCPREQUEST DHCPACK

DHCPREQUEST, DHCPACK

Which three DHCPv6 roles can a router perform? (Choose all that apply.) DHCPv6 client DHCPv6 relay agent DHCPv6 server

DHCPv6 client, DHCPv6 relay agent, DHCPv6 server

Which standards organization is responsible for allocating radio frequencies? IEE ITU-R Wi-Fi Alliance

ITU-R

Which of the following statements are true about modes of operation for a FlexConnect AP? (Choose two.) In connect mode, the WLC is unreachable and the AP switches local traffic and performs client authentication locally In standalone mode, the WLC is unreachable and the AP switches local traffic and performs client authentication locally In connect mode, the WLC is reachable and performs all its CAPWAP functions In standalone mode, the WLC is reachable and performs all its CAPWAP functions

In standalone mode, the WLC is unreachable and the AP switches local traffic and performs client authentication locally; in connect mode, the WLC is reachable and performs all its CAPWAP functions

In setting up a small office network, the network administrator decides to assign private IP addresses dynamically to workstations and mobile devices. Which feature must be enabled on the company router in order for office devices to access the internet? QoS NAT UPnP MAC filtering

NAT

What functionality is required on routers to provide remote workers with VoIP and videoconferencing capabilities? IPsec QoS VPN PPPoE

QoS

When configuring a Cisco 3500 series wireless LAN controller (WLC) for a WPA2 Enterprise WLAN, what has to be created on the WLC before creating the new WLAN? a new SSID a security module a security policy a VLAN for the wireless network

a VLAN for the wireless network

What is a DHCP scope as it relates to a WLAN configured on the WLC controller? a corporate plan for allocation of IP addresses for wireless clients a pool of IP addresses for WLAN clients security rules associated with DHCP for WLANs the distance allotted for wireless clients that can receive IP addressing information

a pool of IP addresses for WLAN clients

Which address type is automatically created by default on a host interface when no RAs are received? global unicast address link-local address MAC address

link-local address

A wireless router is displaying the IP address of 192.168.0.1. What could this mean? The NAT function is not working on the wireless router The wireless router still has the factory default IP address Dynamic IP address allocation has been configured on the router and is functioning correctly The wireless router has been configured to use the frequencies on channel 1

The wireless router still has the factory default IP address

If a router needs to send an ARP Request for the IPv4 address in one of its route entries, this means the packet will be forwarded: To a next-hop router To the device with the destination IPv4 address of the packet

To a next-hop router

If a router needs to send an ARP Request for the destination IPv4 address of the packet, this means the packet will be forwarded: to a next-hop router to the device with the destination IPv4 address of the packet

To the device with the destination IPv4 address of the packet