7-9, 12-16 module quizzes and check your understandings
True or False: When you need to expand the coverage of a small network, the best solution is to use a range extender.
False
True or False? If a router with a higher HSRP priority joins the network, it will take over the active router roll from an existing active router which has a lower priority.
False
What device that is part of a virtual router group assigned to the role of default gateway?
Forwarding router
When first hop redundancy protocols are used, which two items will be shared by a set of routers that are presenting the illusion of being a single router? (Choose two.)
IP address, MAC address
What are two characteristics of the SLAAC method for IPv6 address configuration? (Choose two.)
IPv6 addressing is dynamically assigned to clients through the use of ICMPv6. The default gateway of an IPv6 client on a LAN will be the link-local address of the router interface attached to the LAN.
Which of the following statements are true about modes of operation for a FlexConnect AP? (Choose two.)
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
Which of the following modulation techniques is used in the new 802.11ax standard?
OFDMA
After booting, a client receives an ICMPv6 RA message with the M flag set to 0 and the O flag set to 1. What does this indicate?
The client should automatically configure an IPv6 address and then contact a DHCPv6 server for more information.
Which of the following wireless networks are specified in the IEEE 802.11 standards for the 2.4 GHz and 5 GHz radio frequencies?
WLAN
Which of the following wireless networks typically uses lower powered transmitters for short ranges?
WPAN
How many address fields are in the 802.11 wireless frame?
4
How is a DHCPDISCOVER transmitted on a network to reach a DHCP server?
A DHCPDISCOVER message is sent with the broadcast IP address as the destination address.
What device presents the illusion of a single router to hosts on a LAN segment but actually represents a set of routers working together?
virtual router
A network administrator is analyzing the features that are supported by different first-hop router redundancy protocols. Which statement is a feature that is associated with GLBP?
GLBP allows load balancing between routers.
A user needs to add redundancy to the routers in a company. What are the three options the user can use? (Choose three.)
GLBP, HSRP, VRRP
What IP versions does CAPWAP support?
IPV4 by default, but can configure IPV6
Which standards organization is responsible for allocating radio frequencies?
ITU-R
What is the most likely scenario in which the WAN interface of a router would be configured as a DHCP client to be assigned a dynamic IP address from an ISP?
It is a SOHO or home broadband router
A network administrator is entering the command ipv6 unicast-routing to start configuring DHCPv6 operation on a router. Which statement describes the function of this command?
It is required for sending ICMPv6 RA messages
What is the purpose of HSRP?
It provides a continuous network connection when a router fails.
How does an IPv6 client ensure that it has a unique address after it configures its IPv6 address using the SLAAC allocation method?
It sends an ICMPv6 Neighbor Solicitation message with the IPv6 address as the target IPv6 address.
A network administrator is analyzing first-hop router redundancy protocols. What is a characteristic of VRRPv3?
It supports IPv6 and IPv4 addressing.
What M flag setting indicates that stateful DHCPv6 is used?
M=1
Which of the following antennas provide 360 degrees of coverage?
Omnidirectional
In the split MAC architecture for CAPWAP, which of the following are the responsibility of the AP? (Choose four.)
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?
Passive
What DHCPv6 message does a host send to the DHCPv6 server if it is using stateful DHCPv6?
REQUEST
Which of the following is most likely NOT the source of a wireless DoS attack?
Rogue AP
Which ICMPv6 message is sent by a host in an attempt to locate an online IPv6 enabled router to obtain IPv6 addressing information?
Router Solicitation (RS)
Which two ICMPv6 messages are used in the SLAAC process? (Choose two.)
Router solicitation (RS) Router Advertisements (RA)
In which alternative to DHCPv6 does a router dynamically provide IPv6 configuration information to hosts?
SLACC
Which method best describes stateless DHCP?
SLACC with stateless DHCPv6 Server
What DHCPv6 message does a host send to look for a DHCPv6 server?
SOLICIT
During which HSRP state does an interface begin sending periodic hello messages?
Speak
When a client is requesting an initial address lease from a DHCP server, why is the DHCPREQUEST message sent as a broadcast?
The client may have received offers from multiple servers, and the broadcast serves to implicitly decline those other offers.
Under which two circumstances would a router usually be configured as a DHCPv4 client? (Choose two.)
The router is intended to be used as a SOHO gateway This is an ISP requirement
True or False: An ESS is created when two or more BSSs need to be joined to support roaming clients.
True
Which nonproprietary protocol provides router redundancy for a group of routers which support IPv4 LANs?
VRRPv2
Which command is not configured in stateless DHCPv6?
address prefix ipv6-address/prefix
Which address does a DHCPv4 server target when sending a DHCPOFFER message to a client that makes an address request?
client hardware address
An administrator issues the commands: Router(config)# interface g0/1 Router(config-if)# ip address dhcp What is the administrator trying to achieve?
configuring the router to obtain IP parameters from a DHCPv4 server
If more than one DHCP server is available on the local network, in which order will DHCP messages be sent between a host and a DHCP server?
discover, offer, request, acknowledgment
Which is a DHCPv4 address allocation method that assigns IPv4 addresses for a limited lease period?
dynamic allocation
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
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 dhcp
Which command should be configured on a router interface to set the router as a stateful DHCPv6 client?
ipv6 address dhcp
Which command is configured on the client LAN interface of the DHCPv6 relay agent?
ipv6 dhcp relay destination
A router is to provide DHCPv6 server services. Which command should be configured on the client facing interface?
ipv6 dhcp server POOL-NAME
Which command must be configured on a router to enable it to join the IPv6 all-routers multicast address ff02::2?
ipv6 unicast-routing
Which address type is automatically created by default on a host interface when no RAs are received?
link-local address
Which method would an IPv6-enabled host using SLAAC employ to learn the address of the default gateway?
router advertisements that are received from the link router
Which DHCPv6 verification command would display the link-local and GUA assigned address for each active client?
show ipv6 dhcp binding
In FHRP terminology, what represents a set of routers that present the illusion of a single router to hosts?
virtual router
What is the destination IP address when an IPv4 host sends a DHCPDISCOVER message?
255.255.255.255
What UDP port do DHCPv6 clients use to send DHCPv6 messages?
547
Which 802.11 standards exclusively use the 5 GHz radio frequency? (Choose 2)
802.11a 802.11ac
What are the flag settings when a host should use the SLAAC only option?
A=1, M=0, O=0
What flag settings combination is used for stateless DHCP?
A=1, M=0, O=1
Which of the following components are integrated in a wireless home router? (Choose three.)
Access point, Switch, Router
What is the term for an AP that does not send a beacon, but waits for clients to send probes?
Active
Which wireless topology mode is used by two devices to connect in a peer-to-peer network?
Ad hoc
In the split MAC architecture for CAPWAP, which of the following are the responsibility of the WLC? (Choose four.)
Authentication, association and re-association of roaming clients, termination of 802.11 traffic on a wired interface, frame translation to other protocols
Which of the following is a standalone device, like a home router, where the entire WLAN configuration resides on the device?
Autonomous AP
Which of the following is an IEEE 802.15 WPAN standard that uses a device-pairing process to communicate?
Bluetooth
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?
DAD
What process is used in ICMPv6 for a host to verify that an IPv6 address is unique before configuring it on an interface?
DAD
Which DHCP IPv4 message contains the following information? Destination address:255.255.255.255 Client IPv4 address: 0.0.0.0 Default gateway address: 0.0.0.0 Subnet mask: 0.0.0.0
DHCPDISCOVER
Which message is sent by a DHCPv4 client to initiate the lease obtaining process?
DHCPDISCOVER
A DHCP-enabled client PC has just booted. During which two steps will the client PC use broadcast messages when communicating with a DHCP server? (Choose two.)
DHCPDISCOVER DHCPREQUEST
What kind of message is sent by a DHCPv4 client requesting an IP address?
DHCPDISCOVER broadcast message
Which two DHCPv4 messages are sent by the server in the lease obtaining process? (Choose two.)
DHCPOFFER DHCPACK
As a DHCPv4 client lease is about to expire, what is the message that the client sends the DHCP server?
DHCPREQUEST
Which two DHCPv4 messages are used in the lease renewal process? (Choose two.)
DHCPREQUEST DHCPACK
A company implements the stateless DHCPv6 method for configuring IPv6 addresses on employee workstations. After a workstation receives messages from multiple DHCPv6 servers to indicate their availability for DHCPv6 service, which message does it send to a server for configuration information?
DHCPv6 INFORMATION-REQUEST
Which three DHCPv6 roles can a router perform? (Choose all that apply.)
DHCPv6 client DHCPv6 relay agent DHCPv6 server
Which of the following modulation techniques spreads a signal over a larger frequency band?
DSSS
What type of device routes traffic destined to network segments beyond the source network segment for which the sending node may not have explicit routing information?
Default Gateway
What two methods can be used to generate an interface ID by an IPv6 host that is using SLAAC? (Choose two.)
EUI-64 random generation
Which destination IP address is used when an IPv6 host sends a DHCPv6 SOLICIT message to locate a DHCPv6 server?
FF02::1:2
Which of the following modulation techniques rapidly switches a signal among frequency channels?
FHSS
True or False: A rogue AP is a misconfigured AP connected to the network and a possible source of DoS attacks.
False
True or False: DTLS is enabled by default on the control and data CAPWAP tunnels.
False
True or False: Laptops that do not have an integrated wireless NIC can only be attached to the network through a wired connection.
False
A network engineer is configuring a LAN with a redundant first hop to make better use of the available network resources. Which protocol should the engineer implement?
GLBP
What is the default HSRP priority?
100
How many channels are available for the 2.4 GHz band in Europe?
13
What UDP ports and IP protocols are used by CAPWAP for IPv6? (Choose three.)
136, 5246, 5247
What UDP ports and IP protocols are used by CAPWAP for IPv4? (Choose three.)
17, 5246, 5247
How many channels are available for the 5 GHz band?
24
What is a potential disadvantage when implementing HSRP as compared to GLBP?
HSRP does not provide load balancing with multiple active routers.
A network administrator is overseeing the implementation of first hop redundancy protocols. Which two protocols are Cisco proprietary? (Choose two.)
HSRP, GLBP
Which two protocols provide gateway redundancy at Layer 3? (Choose two.)
HSRP, VRRP
What device is part of a virtual router group assigned the role of alternate default gateway?
standby router
What message informs IPv6 enabled interfaces to use stateful DHCPv6 for obtaining an IPv6 address?
the iCMPv6 Router Advertisement
Which is a characteristic of the HSRP learn state?
the router has not determined the virtual IP address
What is the reason why the DHCPREQUEST message is sent as a broadcast during the DHCPv4 process?
to notify other DHCP servers on the subnet that the IP address was leased
Which destination IPv4 address does a DHCPv4 client use to send the initial DHCP Discover packet when the client is looking for a DHCP server?
255.255.255.255
A client is using SLAAC to obtain an IPv6 address for its interface. After an address has been generated and applied to the interface, what must the client do before it can begin to use this IPv6 address?
It must send an ICMPv6 Neighbor Solicitation message to ensure that the address is not already in use on the network.
Which statement describes a characteristic of GLBP?
It provides automatic rerouting if any router in the group fails.
