Quiz
Final CCNA2
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Perguntas do quiz (151)
1Refer to the exhibit. What will router R1 do with a packet that has a destination IPv6 address of 2001:db8:cafe:5::1?
- Aforward the packet out GigabitEthernet0/0
- Bdrop the packet
- Cforward the packet out GigabitEthernet0/1
- Dforward the packet out Serial0/0/0
2Refer to the exhibit. Currently router R1 uses an EIGRP route learned from Branch2 to reach the 10.10.0.0/16 network. Which floating static route would create a backup route to the 10.10.0.0/16 network in the event that the link between R1 and Branch2 goes down?
- Aip route 10.10.0.0 255.255.0.0 Serial 0/0/0 100
- Bip route 10.10.0.0 255.255.0.0 209.165.200.226 100
- Cip route 10.10.0.0 255.255.0.0 209.165.200.225 100
- Dip route 10.10.0.0 255.255.0.0 209.165.200.225 50
3Refer to the exhibit. R1 was configured with the static route command ip route 209.165.200.224 255.255.255.224 S0/0/0 and consequently users on network 172.16.0.0/16 are unable to reach resources on the Internet. How should this static route be changed to allow user traffic from the LAN to reach the Internet?
- AAdd an administrative distance of 254.
- BChange the destination network and mask to 0.0.0.0 0.0.0.0
- CChange the exit interface to S0/0/1.
- DAdd the next-hop neighbor address of 209.165.200.226.
4Which option shows a correctly configured IPv4 default static route?
- Aip route 0.0.0.0 255.255.255.0 S0/0/0
- Bip route 0.0.0.0 0.0.0.0 S0/0/0
- Cip route 0.0.0.0 255.255.255.255 S0/0/0
- Dip route 0.0.0.0 255.0.0.0 S0/0/0
5Refer to the exhibit. Which static route command can be entered on R1 to forward traffic to the LAN connected to R2?
- Aipv6 route 2001:db8:12:10::/64 S0/0/0
- Bipv6 route 2001:db8:12:10::/64 S0/0/1 fe80::2
- Cipv6 route 2001:db8:12:10::/64 S0/0/0 fe80::2
- Dipv6 route 2001:db8:12:10::/64 S0/0/1 2001:db8:12:10::1
6 What is a method to launch a VLAN hopping attack?
- Aintroducing a rogue switch and enabling trunking
- Bsending spoofed native VLAN information
- Csending spoofed IP addresses from the attacking host
- Dflooding the switch with MAC addresses
7A cybersecurity analyst is using the macof tool to evaluate configurations of switches deployed in the backbone network of an organization. Which type of LAN attack is the analyst targeting during this evaluation?
- AVLAN hopping
- BDHCP spoofing
- CMAC address table overflow
- DVLAN double-tagging
8Refer to the exhibit. A network administrator is configuring a router as a DHCPv6 server. The administrator issues a show ipv6 dhcp pool command to verify the configuration. Which statement explains the reason that the number of active clients is 0?
- AThe default gateway address is not provided in the pool.
- BNo clients have communicated with the DHCPv6 server yet.
- CThe IPv6 DHCP pool configuration has no IPv6 address range specified.
- DThe state is not maintained by the DHCPv6 server under stateless DHCPv6 operation.
99. Refer to the exhibit. A network administrator configured routers R1 and R2 as part of HSRP group 1. After the routers have been reloaded, a user on Host1 complained of lack of connectivity to the Internet The network administrator issued the show standby brief command on both routers to verify the HSRP operations. In addition, the administrator observed the ARP table on Host1. Which entry should be seen in the ARP table on Host1 in order to gain connectivity to the Internet?
- Athe virtual IP address and the virtual MAC address for the HSRP group 1
- Bthe virtual IP address of the HSRP group 1 and the MAC address of R1
- Cthe virtual IP address of the HSRP group 1 and the MAC address of R2
1011. Which statement is correct about how a Layer 2 switch determines how to forward frames?
- AFrame forwarding decisions are based on MAC address and port mappings in the CAM table.
- BOnly frames with a broadcast destination address are forwarded out all active switch ports.
- CCut-through frame forwarding ensures that invalid frames are always dropped.
1112. Which statement describes a result after multiple Cisco LAN switches are interconnected?
- AThe broadcast domain expands to all switches.
- BOne collision domain exists per switch.
- CThere is one broadcast domain and one collision domain per switch.
- DFrame collisions increase on the segments connecting the switches.
- EUnicast frames are always forwarded regardless of the destination MAC address.
1214.Refer to the exhibit. How is a frame sent from PCA forwarded to PCC if the MAC address table on switch SW1 is empty?
- ASW1 forwards the frame directly to SW2. SW2 floods the frame to all ports connected to SW2, excluding the port through which the frame entered the switch.
- BSW1 floods the frame on all ports on the switch, excluding the interconnected port to switch SW2 and the port through which the frame entered the switch.
- CSW1 floods the frame on all ports on SW1, excluding the port through which the frame entered the switch.
- DSW1 drops the frame because it does not know the destination MAC address.
1315. An administrator is trying to remove configurations from a switch. After using the command erase startup-config and reloading the switch, the administrator finds that VLANs 10 and 100 still exist on the switch. Why were these VLANs not removed?
- ABecause these VLANs are stored in a file that is called vlan.dat that is located in flash memory, this file must be manually deleted.
- BThese VLANs cannot be deleted unless the switch is in VTP client mode.
- CThese VLANs are default VLANs that cannot be removed.
- DThese VLANs can only be removed from the switch by using the no vlan 10 and no vlan 100 commands.
1417. Refer to the exhibit. A network administrator has connected two switches together using EtherChannel technology. If STP is running, what will be the end result?
- ASTP will block one of the redundant links.
- BThe switches will load balance and utilize both EtherChannels to forward packets.
- CThe resulting loop will create a broadcast storm.
- DBoth port channels will shutdown.
1518. What is a secure configuration option for remote access to a network device?
- AConfigure an ACL and apply it to the VTY lines.
- BConfigure 802.1x.
- CConfigure SSH.
- DConfigure Telnet.
1619. Which wireless encryption method is the most secure?
- AWPA2 with AES
- BWPA2 with TKIP
- CWEP
- DWPA
1720. After attaching four PCs to the switch ports, configuring the SSID and setting authentication properties for a small office network, a technician successfully tests the connectivity of all PCs that are connected to the switch and WLAN. A firewall is then configured on the device prior to connecting it to the Internet. What type of network device includes all of the described features?
- Afirewall appliance
- Bwireless router
- Cswitch
- Dstandalone wireless access point
1821. Refer to the exhibit. Host A has sent a packet to host B. What will be the source MAC and IP addresses on the packet when it arrives at host B?
- ASource MAC: 00E0.FE91.7799
Source IP: 10.1.1.10 - BSource MAC: 00E0.FE10.17A3
Source IP: 10.1.1.10 - CSource MAC: 00E0.FE10.17A3
Source IP: 192.168.1.1 - DSource MAC: 00E0.FE91.7799
Source IP: 10.1.1.1 - ESource MAC: 00E0.FE91.7799
Source IP: 192.168.1.1
- ASource MAC: 00E0.FE91.7799
19Refer to the exhibit. In addition to static routes directing traffic to networks 10.10.0.0/16 and 10.20.0.0/16, Router HQ is also configured with the following command:
- APackets that are received from the Internet will be forwarded to one of the LANs connected to R1 or R2.
- BPackets with a destination network that is not 10.10.0.0/16 or is not 10.20.0.0/16 or is not a directly connected network will be forwarded to the Internet.
- CPackets from the 10.10.0.0/16 network will be forwarded to network 10.20.0.0/16, and packets from the 10.20.0.0/16 network will be forwarded to network 10.10.0.0/16.
- DPackets that are destined for networks that are not in the routing table of HQ will be dropped.
2024. What protocol or technology disables redundant paths to eliminate Layer 2 loops?
- AVTP
- BSTP
- CEtherChannel
- DDTP
2125. Refer to the exhibit. Based on the exhibited configuration and output, why is VLAN 99 missing?
- Abecause VLAN 99 is not a valid management VLAN
- Bbecause there is a cabling problem on VLAN 99
- Cbecause VLAN 1 is up and there can only be one management VLAN on the switch
- Dbecause VLAN 99 has not yet been created
2226. Which two VTP modes allow for the creation, modification, and deletion of VLANs on the local switch? (Choose two.)
- Aclient
- Bmaster
- Cdistribution
- Dslave
- Eserver
- Ftransparent
2327. Which three steps should be taken before moving a Cisco switch to a new VTP management domain? (Choose three.)
- AConfigure the switch with the name of the new management domain.
- BReset the VTP counters to allow the switch to synchronize with the other switches in the domain.
- CConfigure the VTP server in the domain to recognize the BID of the new switch.
- DDownload the VTP database from the VTP server in the new domain.
- ESelect the correct VTP mode and version.
- FReboot the switch.
2428. A network administrator is preparing the implementation of Rapid PVST+ on a production network. How are the Rapid PVST+ link types determined on the switch interfaces?
- ALink types can only be configured on access ports configured with a single VLAN.
- BLink types can only be determined if PortFast has been configured.
- CLink types are determined automatically.
- DLink types must be configured with specific port configuration commands.
2529. Refer to the exhibit. All the displayed switches are Cisco 2960 switches with the same default priority and operating at the same bandwidth. Which three ports will be STP designated ports? (Choose three.)
- Afa0/9
- Bfa0/13
- Cfa0/10
- Dfa0/20
- Efa0/21
- Ffa0/11
2630. How will a router handle static routing differently if Cisco Express Forwarding is disabled?
- AIt will not perform recursive lookups.
- BEthernet multiaccess interfaces will require fully specified static routes to avoid routing inconsistencies.
- CStatic routes that use an exit interface will be unnecessary.
- DSerial point-to-point interfaces will require fully specified static routes to avoid routing inconsistencies.
2731. Compared with dynamic routes, what are two advantages of using static routes on a router? (Choose two.)
- AThey improve network security.
- BThey take less time to converge when the network topology changes.
- CThey improve the efficiency of discovering neighboring networks.
- DThey use fewer router resources.
2832. Refer to the exhibit. Which route was configured as a static route to a specific network using the next-hop address?
- AS 10.17.2.0/24 [1/0] via 10.16.2.2
- BS 0.0.0.0/0 [1/0] via 10.16.2.2
- CS 10.17.2.0/24 is directly connected, Serial 0/0/0
- DC 10.16.2.0/24 is directly connected, Serial0/0/0
2933. What is the effect of entering the spanning-tree portfast configuration command on a switch?
- AIt disables an unused port.
- BIt disables all trunk ports.
- CIt enables portfast on a specific switch interface.
- DIt checks the source L2 address in the Ethernet header against the sender L2 address in the ARP body.
3034. What is the IPv6 prefix that is used for link-local addresses?
- AFF01::/8
- B2001::/3
- CFC00::/7
- DFE80::/10
3135. Which two statements are characteristics of routed ports on a multilayer switch? (Choose two.)
- AIn a switched network, they are mostly configured between switches at the core and distribution layers.
- BThe interface vlan command has to be entered to create a VLAN on routed ports.
- CThey support subinterfaces, like interfaces on the Cisco IOS routers.
- DThey are used for point-to-multipoint links.
- EThey are not associated with a particular VLAN.
3236. Successful inter-VLAN routing has been operating on a network with multiple VLANs across multiple switches for some time. When an inter-switch trunk link fails and Spanning Tree Protocol brings up a backup trunk link, it is reported that hosts on two VLANs can access some, but not all the network resources that could be accessed previously. Hosts on all other VLANS do not have this problem. What is the most likely cause of this problem?
- AThe protected edge port function on the backup trunk interfaces has been disabled.
- BThe allowed VLANs on the backup link were not configured correctly.
- CDynamic Trunking Protocol on the link has failed.
- DInter-VLAN routing also failed when the trunk link failed.
3337. Which command will start the process to bundle two physical interfaces to create an EtherChannel group via LACP?
- Ainterface port-channel 2
- Bchannel-group 1 mode desirable
- Cinterface range GigabitEthernet 0/4 – 5
- Dchannel-group 2 mode auto
3438. What action takes place when a frame entering a switch has a multicast destination MAC address?
- AThe switch will forward the frame out all ports except the incoming port.
- BThe switch forwards the frame out of the specified port.
- CThe switch adds a MAC address table entry mapping for the destination MAC address and the ingress port.
- DThe switch replaces the old entry and uses the more current port.
3539. A junior technician was adding a route to a LAN router. A traceroute to a device on the new network revealed a wrong path and unreachable status. What should be done or checked?
- AVerify that there is not a default route in any of the edge router routing tables.
- BCheck the configuration on the floating static route and adjust the AD.
- CCreate a floating static route to that network.
- DCheck the configuration of the exit interface on the new static route.
3640. Select the three PAgP channel establishment modes. (Choose three.)
- Aauto
- Bdefault
- Cpassive
- Ddesirable
- Eextended
- Fon
3741. A static route has been configured on a router. However, the destination network no longer exists. What should an administrator do to remove the static route from the routing table?
- ARemove the route using the no ip route command.
- BChange the administrative distance for that route.
- CChange the routing metric for that route.
- DNothing. The static route will go away on its own.
3842. Refer to the exhibit. What can be concluded about the configuration shown on R1?
- AR1 is configured as a DHCPv4 relay agent.
- BR1 is operating as a DHCPv4 server.
- CR1 will broadcast DHCPv4 requests on behalf of local DHCPv4 clients.
- DR1 will send a message to a local DHCPv4 client to contact a DHCPv4 server at 10.10.10.8.
3944. Refer to the exhibit. R1 has been configured as shown. However, PC1 is not able to receive an IPv4 address. What is the problem?
- AThe ip helper-address command was applied on the wrong interface.
- BR1 is not configured as a DHCPv4 server.
- CA DHCP server must be installed on the same LAN as the host that is receiving the IP address.
- DThe ip address dhcp command was not issued on the interface Gi0/1.
4045. What two default wireless router settings can affect network security? (Choose two.)
- AThe SSID is broadcast.
- BMAC address filtering is enabled.
- CWEP encryption is enabled.
- DThe wireless channel is automatically selected.
- EA well-known administrator password is set.
4146. What is the common term given to SNMP log messages that are generated by network devices and sent to the SNMP server?
- Atraps
- Backnowledgments
- Cauditing
- Dwarnings
4247. A network administrator is adding a new WLAN on a Cisco 3500 series WLC. Which tab should the administrator use to create a new VLAN interface to be used for the new WLAN?
- AWIRELESS
- BMANAGEMENT
- CCONTROLLER
- DWLANs
4348. A network administrator is configuring a WLAN. Why would the administrator change the default DHCP IPv4 addresses on an AP?
- Ato restrict access to the WLAN by authorized, authenticated users only
- Bto monitor the operation of the wireless network
- Cto reduce outsiders intercepting data or accessing the wireless network by using a well-known address range
- Dto reduce the risk of interference by external devices such as microwave ovens
4449. Which two functions are performed by a WLC when using split media access control (MAC)? (Choose two.)
- Apacket acknowledgments and retransmissions
- Bframe queuing and packet prioritization
- Cbeacons and probe responses
- Dframe translation to other protocols
- Eassociation and re-association of roaming clients
4550. On what switch ports should BPDU guard be enabled to enhance STP stability?
- Aall PortFast-enabled ports
- Bonly ports that are elected as designated ports
- Conly ports that attach to a neighboring switch
- Dall trunk ports that are not root ports
4651. Which network attack is mitigated by enabling BPDU guard?
- Arogue switches on a network
- BCAM table overflow attacks
- CMAC address spoofing
- Drogue DHCP servers on a network
4752. Why is DHCP snooping required when using the Dynamic ARP Inspection feature?
- AIt relies on the settings of trusted and untrusted ports set by DHCP snooping.
- BIt uses the MAC address table to verify the default gateway IP address.
- CIt redirects ARP requests to the DHCP server for verification.
- DIt uses the MAC-address-to-IP-address binding database to validate an ARP packet.
4853. Refer to the exhibit. Router R1 has an OSPF neighbor relationship with the ISP router over the 192.168.0.32 network. The 192.168.0.36 network link should serve as a backup when the OSPF link goes down. The floating static route command ip route 0.0.0.0 0.0.0.0 S0/0/1 100 was issued on R1 and now traffic is using the backup link even when the OSPF link is up and functioning. Which change should be made to the static route command so that traffic will only use the OSPF link when it is up?
- AChange the administrative distance to 120.
- BAdd the next hop neighbor address of 192.168.0.36.
- CChange the destination network to 192.168.0.34.
- DChange the administrative distance to 1.
4954. Refer to the exhibit. What is the metric to forward a data packet with the IPv6 destination address 2001:DB8:ACAD:E:240:BFF:FED4:9DD2?
- A90
- B128
- C2170112
- D2681856
- E2682112
- F3193856
5055. A network administrator is configuring a new Cisco switch for remote management access. Which three items must be configured on the switch for the task? (Choose three.)
- AIP address
- BVTP domain
- Cvty lines
- Ddefault VLAN
- Edefault gateway
- Floopback address
5156. Refer to the exhibit. Which statement shown in the output allows router R1 to respond to stateless DHCPv6 requests?
- Aipv6 nd other-config-flag
- Bprefix-delegation 2001:DB8:8::/48 00030001000E84244E70
- Cipv6 dhcp server LAN1
- Dipv6 unicast-routing
- Edns-server 2001:DB8:8::8
5257. Refer to the exhibit. A Layer 3 switch routes for three VLANs and connects to a router for Internet connectivity. Which two configurations would be applied to the switch? (Choose two.)
- A(config)# interface gigabitethernet1/1
(config-if)# switchport mode trunk - B(config)# interface gigabitethernet 1/1
(config-if)# no switchport
(config-if)# ip address 192.168.1.2 255.255.255.252 - C(config)# interface vlan 1
(config-if)# ip address 192.168.1.2 255.255.255.0
(config-if)# no shutdown - D(config)# interface fastethernet0/4
(config-if)# switchport mode trunk - E(config)# ip routing
- A(config)# interface gigabitethernet1/1
5358. A technician is troubleshooting a slow WLAN and decides to use the split-the-traffic approach. Which two parameters would have to be configured to do this? (Choose two.)
- AConfigure the 5 GHz band for streaming multimedia and time sensitive traffic.
- BConfigure the security mode to WPA Personal TKIP/AES for one network and WPA2 Personal AES for the other network
- CConfigure the 2.4 GHz band for basic internet traffic that is not time sensitive.
- DConfigure the security mode to WPA Personal TKIP/AES for both networks.
- EConfigure a common SSID for both split networks.
5459. A company has just switched to a new ISP. The ISP has completed and checked the connection from its site to the company. However, employees at the company are not able to access the internet. What should be done or checked?
- AVerify that the static route to the server is present in the routing table.
- BCheck the configuration on the floating static route and adjust the AD.
- CEnsure that the old default route has been removed from the company edge routers.
- DCreate a floating static route to that network.
5560. Which information does a switch use to populate the MAC address table?
- Athe destination MAC address and the incoming port
- Bthe destination MAC address and the outgoing port
- Cthe source and destination MAC addresses and the incoming port
- Dthe source and destination MAC addresses and the outgoing port
- Ethe source MAC address and the incoming port
- Fthe source MAC address and the outgoing port
5661. Refer to the exhibit. A network administrator is reviewing the configuration of switch S1. Which protocol has been implemented to group multiple physical ports into one logical link?
- APAgP
- BDTP
- CLACP
- DSTP
5762. Which type of static route is configured with a greater administrative distance to provide a backup route to a route learned from a dynamic routing protocol?
- Afloating static route
- Bdefault static route
- Csummary static route
- Dstandard static route
5863. What action takes place when a frame entering a switch has a unicast destination MAC address appearing in the MAC address table?
- AThe switch updates the refresh timer for the entry.
- BThe switch forwards the frame out of the specified port.
- CThe switch purges the entire MAC address table.
- DThe switch replaces the old entry and uses the more current port.
5964. The exhibit shows two PCs called PC A and PC B, two routes called R1 and R2, and two switches. PC A has the address 172.16.1.1/24 and is connected to a switch and into an interface on R1 that has the IP address 172.16.1.254. PC B has the address 172.16.2.1/24 and is connected to a switch that is connected to another interface on R1 with the IP address 172.16.2.254. The serial interface on R1 has the address 172.16.3.1 and is connected to the serial interface on R2 that has the address 172.16.3.2/24. R2 is connected to the internet cloud. Which command will create a static route on R2 in order to reach PC B?
- AR2(config)# ip route 172.16.2.1 255.255.255.0 172.16.3.1
- BR2(config)# ip route 172.16.2.0 255.255.255.0 172.16.2.254
- CR2(config)# ip route 172.16.2.0 255.255.255.0 172.16.3.1
- DR2(config)# ip route 172.16.3.0 255.255.255.0 172.16.2.254
6065. What protocol or technology allows data to transmit over redundant switch links?
- AEtherChannel
- BDTP
- CSTP
- DVTP
6168. What is the effect of entering the shutdown configuration command on a switch?
- AIt enables BPDU guard on a specific port.
- BIt disables an unused port.
- CIt enables portfast on a specific switch interface.
- DIt disables DTP on a non-trunking interface.
6269. What would be the primary reason an attacker would launch a MAC address overflow attack?
- Aso that the switch stops forwarding traffic
- Bso that legitimate hosts cannot obtain a MAC address
- Cso that the attacker can see frames that are destined for other hosts
- Dso that the attacker can execute arbitrary code on the switch
6370. During the AAA process, when will authorization be implemented?
- AImmediately after successful authentication against an AAA data source
- BImmediately after AAA accounting and auditing receives detailed reports
- CImmediately after an AAA client sends authentication information to a centralized server
- DImmediately after the determination of which resources a user can access
6471. A company security policy requires that all MAC addressing be dynamically learned and added to both the MAC address table and the running configuration on each switch. Which port security configuration will accomplish this?
- Aauto secure MAC addresses
- Bdynamic secure MAC addresses
- Cstatic secure MAC addresses
- Dsticky secure MAC addresses
6572. Which three Wi-Fi standards operate in the 2.4GHz range of frequencies? (Choose three.)
- A802.11a
- B802.11b
- C802.11g
- D802.11n
- E802.11ac
6673. To obtain an overview of the spanning tree status of a switched network, a network engineer issues the show spanning-tree command on a switch. Which two items of information will this command display? (Choose two.)
- AThe root bridge BID.
- BThe role of the ports in all VLANs.
- CThe status of native VLAN ports.
- DThe number of broadcasts received on each root port.
- EThe IP address of the management VLAN interface.
6774. Refer to the exhibit. Which trunk link will not forward any traffic after the root bridge election process is complete?
- ATrunk1
- BTrunk2
- CTrunk3
- DTrunk4
6875. Which method of IPv6 prefix assignment relies on the prefix contained in RA messages?
- AEUI-64
- BSLAAC
- Cstatic
- Dstateful DHCPv6
6976. Which two protocols are used to provide server-based AAA authentication? (Choose two.)
- A802.1x
- BSSH
- CSNMP
- DTACACS+
- ERADIUS
7077. A network administrator is configuring a WLAN. Why would the administrator disable the broadcast feature for the SSID?
- Ato eliminate outsiders scanning for available SSIDs in the area
- Bto reduce the risk of interference by external devices such as microwave ovens
- Cto reduce the risk of unauthorized APs being added to the network
- Dto provide privacy and integrity to wireless traffic by using encryption
7178. Which mitigation technique would prevent rogue servers from providing false IP configuration parameters to clients?
- Aimplementing port security
- Bturning on DHCP snooping
- Cdisabling CDP on edge ports
- Dimplementing port-security on edge ports
7279. A network administrator configures the port security feature on a switch. The security policy specifies that each access port should allow up to two MAC addresses. When the maximum number of MAC addresses is reached, a frame with the unknown source MAC address is dropped and a notification is sent to the syslog server. Which security violation mode should be configured for each access port?
- Ashutdown
- Brestrict
- Cwarning
- Dprotect
7380. What protocol or technology defines a group of routers, one of them defined as active and another one as standby?
- AEtherChannel
- BVTP
- CHSRP
- DDTP
7481. Refer to the exhibit. After attempting to enter the configuration that is shown in router RTA, an administrator receives an error and users on VLAN 20 report that they are unable to reach users on VLAN 30. What is causing the problem?
- AThere is no address on Fa0/0 to use as a default gateway.
- BRTA is using the same subnet for VLAN 20 and VLAN 30.
- CDot1q does not support subinterfaces.
- DThe no shutdown command should have been issued on Fa0/0.20 and Fa0/0.30.
7582. Which three pairs of trunking modes will establish a functional trunk link between two Cisco switches? (Choose three.)
- Adynamic desirable – dynamic desirable
- Bdynamic desirable – trunk
- Cdynamic auto – dynamic auto
- Daccess – dynamic auto
- Edynamic desirable – dynamic auto
- Faccess – trunk
7683. A technician is configuring a router for a small company with multiple WLANs and doesn’t need the complexity of a dynamic routing protocol. What should be done or checked?
- AVerify that there is not a default route in any of the edge router routing tables.
- BCreate static routes to all internal networks and a default route to the internet.
- CCreate extra static routes to the same location with an AD of 1.
- DCheck the statistics on the default route for oversaturation.
7784. A company is deploying a wireless network in the distribution facility in a Boston suburb. The warehouse is quite large and it requires multiple access points to be used. Because some of the company devices still operate at 2.4GHz, the network administrator decides to deploy the 802.11g standard. Which channel assignments on the multiple access points will make sure that the wireless channels are not overlapping?
- Achannels 1, 5, and 9
- Bchannels 1, 6, and 11
- Cchannels 1, 7, and 13
- Dchannels 2, 6, and 10
7885. A network administrator of a small advertising company is configuring WLAN security by using the WPA2 PSK method. Which credential do office users need in order to connect their laptops to the WLAN?
- Athe company username and password through Active Directory service
- Ba key that matches the key on the AP
- Ca user passphrase
- Da username and password configured on the AP
7986. Refer to the exhibit. What are the possible port roles for ports A, B, C, and D in this RSTP-enabled network?
- Aalternate, designated, root, root
- Bdesignated, alternate, root, root
- Calternate, root, designated, root
- Ddesignated, root, alternate, root
8087. Refer to the exhibit. Which static route would an IT technician enter to create a backup route to the 172.16.1.0 network that is only used if the primary RIP learned route fails?
- Aip route 172.16.1.0 255.255.255.0 s0/0/0
- Bip route 172.16.1.0 255.255.255.0 s0/0/0 121
- Cip route 172.16.1.0 255.255.255.0 s0/0/0 111
- Dip route 172.16.1.0 255.255.255.0 s0/0/0 91
8188. What mitigation plan is best for thwarting a DoS attack that is creating a MAC address table overflow?
- ADisable DTP.
- BDisable STP.
- CEnable port security.
- DPlace unused ports in an unused VLAN.
8289. A network engineer is troubleshooting a newly deployed wireless network that is using the latest 802.11 standards. When users access high bandwidth services such as streaming video, the wireless network performance is poor. To improve performance the network engineer decides to configure a 5 Ghz frequency band SSID and train users to use that SSID for streaming media services. Why might this solution improve the wireless network performance for that type of service?
- ARequiring the users to switch to the 5 GHz band for streaming media is inconvenient and will result in fewer users accessing these services.
- BThe 5 GHz band has more channels and is less crowded than the 2.4 GHz band, which makes it more suited to streaming multimedia.
- CThe 5 GHz band has a greater range and is therefore likely to be interference-free.
- DThe only users that can switch to the 5 GHz band will be those with the latest wireless NICs, which will reduce usage.
8390. Which DHCPv4 message will a client send to accept an IPv4 address that is offered by a DHCP server?
- Abroadcast DHCPACK
- Bbroadcast DHCPREQUEST
- Cunicast DHCPACK
- Dunicast DHCPREQUEST
8491. Refer to the exhibit. Which destination MAC address is used when frames are sent from the workstation to the default gateway?
- AMAC address of the virtual router
- BMAC address of the standby router
- CMAC addresses of both the forwarding and standby routers
- DMAC address of the forwarding router
8592. After a host has generated an IPv6 address by using the DHCPv6 or SLAAC process, how does the host verify that the address is unique and therefore usable?
- AThe host sends an ICMPv6 echo request message to the DHCPv6 or SLAAC-learned address and if no reply is returned, the address is considered unique.
- BThe host sends an ICMPv6 neighbor solicitation message to the DHCP or SLAAC-learned address and if no neighbor advertisement is returned, the address is considered unique.
- CThe host checks the local neighbor cache for the learned address and if the address is not cached, it it considered unique.
- DThe host sends an ARP broadcast to the local link and if no hosts send a reply, the address is considered unique.
8694. Which protocol adds security to remote connections?
- AFTP
- BHTTP
- CNetBEUI
- DPOP
- ESSH
8796. Refer to the exhibit. A network administrator is configuring inter-VLAN routing on a network. For now, only one VLAN is being used, but more will be added soon. What is the missing parameter that is shown as the highlighted question mark in the graphic?
- AIt identifies the subinterface.
- BIt identifies the VLAN number.
- CIt identifies the native VLAN number.
- DIt identifies the type of encapsulation that is used.
- EIt identifies the number of hosts that are allowed on the interface.
8898. What network attack seeks to create a DoS for clients by preventing them from being able to obtain a DHCP lease?
- AIP address spoofing
- BDHCP starvation
- CCAM table attack
- DDHCP spoofing
8999. Refer to the exhibit. If the IP addresses of the default gateway router and the DNS server are correct, what is the configuration problem?
- AThe DNS server and the default gateway router should be in the same subnet.
- BThe IP address of the default gateway router is not contained in the excluded address list.
- CThe default-router and dns-server commands need to be configured with subnet masks.
- DThe IP address of the DNS server is not contained in the excluded address list.
90100. Refer to the exhibit. A network administrator has added a new subnet to the network and needs hosts on that subnet to receive IPv4 addresses from the DHCPv4 server.
What two commands will allow hosts on the new subnet to receive addresses from the DHCP4 server? (Choose two.)- AR1(config-if)# ip helper-address 10.2.0.250
- BR1(config)# interface G0/1
- CR1(config)# interface G0/0
- DR2(config-if)# ip helper-address 10.2.0.250
- ER2(config)# interface G0/0
- FR1(config-if)# ip helper-address 10.1.0.254
91101. What protocol or technology uses source IP to destination IP as a load-balancing mechanism?
- AVTP
- BEtherChannel
- CDTP
- DSTP
92102. What protocol should be disabled to help mitigate VLAN attacks?
- ACDP
- BARP
- CSTP
- DDTP
93103. What protocol or technology requires switches to be in server mode or client mode?
- AEtherChannel
- BSTP
- CVTP
- DDTP
94104. What are two reasons a network administrator would segment a network with a Layer 2 switch? (Choose two.)
- Ato create fewer collision domains
- Bto enhance user bandwidth
- Cto create more broadcast domains
- Dto eliminate virtual circuits
- Eto isolate traffic between segments
- Fto isolate ARP request messages from the rest of the network
95105. What command will enable a router to begin sending messages that allow it to configure a link-local address without using an IPv6 DHCP server?
- Aa static route
- Bthe ipv6 route ::/0 command
- Cthe ipv6 unicast-routing command
- Dthe ip routing command
96106. A network administrator is using the router-on-a-stick model to configure a switch and a router for inter-VLAN routing. What configuration should be made on the switch port that connects to the router?
- AConfigure it as a trunk port and allow only untagged traffic.
- BConfigure the port as an access port and a member of VLAN1.
- CConfigure the port as an 802.1q trunk port.
- DConfigure the port as a trunk port and assign it to VLAN1.
97107. What are three techniques for mitigating VLAN attacks? (Choose three.)
- AUse private VLANs.
- BEnable BPDU guard.
- CEnable trunking manually
- DEnable Source Guard.
- EDisable DTP.
- FSet the native VLAN to an unused VLAN.
98109. In which situation would a technician use the show interfaces switch command?
- Ato determine if remote access is enabled
- Bwhen packets are being dropped from a particular directly attached host
- Cwhen an end device can reach local devices, but not remote devices
- Dto determine the MAC address of a directly attached network device on a particular interface
99110. What is a drawback of the local database method of securing device access that can be solved by using AAA with centralized servers?
- AThere is no ability to provide accountability.
- BUser accounts must be configured locally on each device, which is an unscalable authentication solution.
- CIt is very susceptible to brute-force attacks because there is no username.
- DThe passwords can only be stored in plain text in the running configuration.
100111. What action does a DHCPv4 client take if it receives more than one DHCPOFFER from multiple DHCP servers?
- AIt sends a DHCPREQUEST that identifies which lease offer the client is accepting.
- BIt sends a DHCPNAK and begins the DHCP process over again.
- CIt discards both offers and sends a new DHCPDISCOVER.
- DIt accepts both DHCPOFFER messages and sends a DHCPACK.
101113. What method of wireless authentication is dependent on a RADIUS authentication server?
- AWEP
- BWPA Personal
- CWPA2 Personal
- DWPA2 Enterprise
102114. A network administrator has found a user sending a double-tagged 802.1Q frame to a switch. What is the best solution to prevent this type of attack?
- AThe native VLAN number used on any trunk should be one of the active data VLANs.
- BThe VLANs for user access ports should be different VLANs than any native VLANs used on trunk ports.
- CTrunk ports should be configured with port security.
- DTrunk ports should use the default VLAN as the native VLAN number.
103117. On a Cisco 3504 WLC Summary page ( Advanced > Summary ), which tab allows a network administrator to configure a particular WLAN with a WPA2 policy?
- AWLANs
- BSECURITY
- CWIRELESS
- DMANAGEMENT
104119. Users are complaining of sporadic access to the internet every afternoon. What should be done or checked?
- ACreate static routes to all internal networks and a default route to the internet.
- BVerify that there is not a default route in any of the edge router routing tables.
- CCreate a floating static route to that network.
- DCheck the statistics on the default route for oversaturation.
105120. What action takes place when the source MAC address of a frame entering a switch appears in the MAC address table associated with a different port?
- AThe switch purges the entire MAC address table.
- BThe switch replaces the old entry and uses the more current port.
- CThe switch updates the refresh timer for the entry.
- DThe switch forwards the frame out of the specified port.
106121. A network administrator is configuring a WLAN. Why would the administrator use a WLAN controller?
- Ato centralize management of multiple WLANs
- Bto provide privacy and integrity to wireless traffic by using encryption
- Cto facilitate group configuration and management of multiple WLANs through a WLC
- Dto provide prioritized service for time-sensitive applications
107123. Which three statements accurately describe duplex and speed settings on Cisco 2960 switches? (Choose three.)
- AAn autonegotiation failure can result in connectivity issues.
- BWhen the speed is set to 1000 Mb/s, the switch ports will operate in full-duplex mode.
- CThe duplex and speed settings of each switch port can be manually configured.
- DEnabling autonegotiation on a hub will prevent mismatched port speeds when connecting the hub to the switch.
- EBy default, the speed is set to 100 Mb/s and the duplex mode is set to autonegotiation.
- FBy default, the autonegotiation feature is disabled.
108125. A network administrator uses the spanning-tree portfast bpduguard default global configuration command to enable BPDU guard on a switch. However, BPDU guard is not activated on all access ports. What is the cause of the issue?
- ABPDU guard needs to be activated in the interface configuration command mode.
- BAccess ports configured with root guard cannot be configured with BPDU guard.
- CAccess ports belong to different VLANs.
- DPortFast is not configured on all access ports.
109126. Which two types of spanning tree protocols can cause suboptimal traffic flows because they assume only one spanning-tree instance for the entire bridged network? (Choose two.)
- AMSTP
- BRSTP
- CRapid PVST+
- DPVST+
- ESTP
110128. A WLAN engineer deploys a WLC and five wireless APs using the CAPWAP protocol with the DTLS feature to secure the control plane of the network devices. While testing the wireless network, the WLAN engineer notices that data traffic is being exchanged between the WLC and the APs in plain-text and is not being encrypted. What is the most likely reason for this?
- ADTLS only provides data security through authentication and does not provide encryption for data moving between a wireless LAN controller (WLC) and an access point (AP).
- BAlthough DTLS is enabled by default to secure the CAPWAP control channel, it is disabled by default for the data channel.
- CDTLS is a protocol that only provides security between the access point (AP) and the wireless client.
- DData encryption requires a DTLS license to be installed on each access point (AP) prior to being enabled on the wireless LAN controller (WLC).
111129. A new switch is to be added to an existing network in a remote office. The network administrator does not want the technicians in the remote office to be able to add new VLANs to the switch, but the switch should receive VLAN updates from the VTP domain. Which two steps must be performed to configure VTP on the new switch to meet these conditions? (Choose two.)
- AConfigure the new switch as a VTP client.
- BConfigure the existing VTP domain name on the new switch.
- CConfigure an IP address on the new switch.
- DConfigure all ports of both switches to access mode.
- EEnable VTP pruning.
112130. Refer to the exhibit. Consider that the main power has just been restored. PC3 issues a broadcast IPv4 DHCP request. To which port will SW1 forward this request?
- Ato Fa0/1, Fa0/2, and Fa0/3 only
- Bto Fa0/1, Fa0/2, Fa0/3, and Fa0/4
- Cto Fa0/1 only
- Dto Fa0/1, Fa0/2, and Fa0/4 only
- Eto Fa0/1 and Fa0/2 only
113131. What action takes place when the source MAC address of a frame entering a switch is not in the MAC address table?
- AThe switch adds a MAC address table entry for the destination MAC address and the egress port.
- BThe switch adds the MAC address and incoming port number to the table.
- CThe switch replaces the old entry and uses the more current port.
- DThe switch updates the refresh timer for the entry.
114132. Employees are unable to connect to servers on one of the internal networks. What should be done or checked?
- AUse the “show ip interface brief” command to see if an interface is down.
- BVerify that there is not a default route in any of the edge router routing tables.
- CCreate static routes to all internal networks and a default route to the internet.
- DCheck the statistics on the default route for oversaturation.
115133. What is the effect of entering the ip dhcp snooping configuration command on a switch?
- AIt enables DHCP snooping globally on a switch.
- BIt enables PortFast globally on a switch.
- CIt disables DTP negotiations on trunking ports.
- DIt manually enables a trunk link.
116134. An administrator notices that large numbers of packets are being dropped on one of the branch routers. What should be done or checked?
- ACreate static routes to all internal networks and a default route to the internet.
- BCreate extra static routes to the same location with an AD of 1.
- CCheck the statistics on the default route for oversaturation.
- DCheck the routing table for a missing static route.
117135. What are two switch characteristics that could help alleviate network congestion? (Choose two.)
- Afast internal switching
- Blarge frame buffers
- Cstore-and-forward switching
- Dframe check sequence (FCS) check
- Elow port density
118136. What is a result of connecting two or more switches together?
- AThe number of broadcast domains is increased.
- BThe size of the broadcast domain is increased.
- CThe number of collision domains is reduced.
- DThe size of the collision domain is increased.
119138. Branch users were able to access a site in the morning but have had no connectivity with the site since lunch time. What should be done or checked?
- AVerify that the static route to the server is present in the routing table.
- BUse the “show ip interface brief” command to see if an interface is down.
- CCheck the configuration on the floating static route and adjust the AD.
- DCreate a floating static route to that network.
120139. What is the effect of entering the switchport port-security configuration command on a switch?
- AIt dynamically learns the L2 address and copies it to the running configuration.
- BIt enables port security on an interface.
- CIt enables port security globally on the switch.
- DIt restricts the number of discovery messages, per second, to be received on the interface.
121140. A network administrator is configuring a WLAN. Why would the administrator use multiple lightweight APs?
- Ato centralize management of multiple WLANs
- Bto monitor the operation of the wireless network
- Cto provide prioritized service for time-sensitive applications
- Dto facilitate group configuration and management of multiple WLANs through a WLC
122142. A network administrator is configuring a WLAN. Why would the administrator use RADIUS servers on the network?
- Ato centralize management of multiple WLANs
- Bto restrict access to the WLAN by authorized, authenticated users only
- Cto facilitate group configuration and management of multiple WLANs through a WLC
- Dto monitor the operation of the wireless network
123143. What is the effect of entering the switchport mode access configuration command on a switch?
- AIt enables BPDU guard on a specific port.
- BIt manually enables a trunk link.
- CIt disables an unused port.
- DIt disables DTP on a non-trunking interface.
124144. A network administrator has configured a router for stateless DHCPv6 operation. However, users report that workstations are not receiving DNS server information. Which two router configuration lines should be verified to ensure that stateless DHCPv6 service is properly configured? (Choose two.)
- AThe domain-name line is included in the ipv6 dhcp pool section.
- BThe dns-server line is included in the ipv6 dhcp pool section.
- CThe ipv6 nd other-config-flag is entered for the interface that faces the LAN segment.
- DThe address prefix line is included in the ipv6 dhcp pool section.
- EThe ipv6 nd managed-config-flag is entered for the interface that faces the LAN segment.
125145. A network administrator is configuring a WLAN. Why would the administrator disable the broadcast feature for the SSID?
- Ato eliminate outsiders scanning for available SSIDs in the area
- Bto centralize management of multiple WLANs
- Cto facilitate group configuration and management of multiple WLANs through a WLC
- Dto provide prioritized service for time-sensitive applications
126147. What action takes place when a frame entering a switch has a unicast destination MAC address that is not in the MAC address table?
- AThe switch updates the refresh timer for the entry.
- BThe switch resets the refresh timer on all MAC address table entries.
- CThe switch replaces the old entry and uses the more current port.
- DThe switch will forward the frame out all ports except the incoming port.
127148. A junior technician was adding a route to a LAN router. A traceroute to a device on the new network revealed a wrong path and unreachable status. What should be done or checked?
- ACreate a floating static route to that network.
- BCheck the configuration on the floating static route and adjust the AD.
- CCheck the configuration of the exit interface on the new static route.
- DVerify that the static route to the server is present in the routing table.
128149. What is the effect of entering the ip arp inspection vlan 10 configuration command on a switch?
- AIt specifies the maximum number of L2 addresses allowed on a port.
- BIt enables DAI on specific switch interfaces previously configured with DHCP snooping.
- CIt enables DHCP snooping globally on a switch.
- DIt globally enables BPDU guard on all PortFast-enabled ports.
129150. What protocol or technology manages trunk negotiations between switches?
- AVTP
- BEtherChannel
- CDTP
- DSTP
130151. A network administrator is configuring a WLAN. Why would the administrator apply WPA2 with AES to the WLAN?
- Ato reduce the risk of unauthorized APs being added to the network
- Bto centralize management of multiple WLANs
- Cto provide prioritized service for time-sensitive applications
- Dto provide privacy and integrity to wireless traffic by using encryption
131152. Users on a LAN are unable to get to a company web server but are able to get elsewhere. What should be done or checked?
- AEnsure that the old default route has been removed from the company edge routers.
- BVerify that the static route to the server is present in the routing table.
- CCheck the configuration on the floating static route and adjust the AD.
- DCreate a floating static route to that network.
132153. What IPv6 prefix is designed for link-local communication?
- A2001::/3
- Bff00::/8
- Cfc::/07
- Dfe80::/10
133154. What is the effect of entering the ip dhcp snooping limit rate 6 configuration command on a switch?
- AIt displays the IP-to-MAC address associations for switch interfaces.
- BIt enables port security globally on the switch.
- CIt restricts the number of discovery messages, per second, to be received on the interface.
- DIt dynamically learns the L2 address and copies it to the running configuration.
134155. A network administrator is configuring a WLAN. Why would the administrator change the default DHCP IPv4 addresses on an AP?
- Ato eliminate outsiders scanning for available SSIDs in the area
- Bto reduce the risk of unauthorized APs being added to the network
- Cto reduce outsiders intercepting data or accessing the wireless network by using a well-known address range
- Dto reduce the risk of interference by external devices such as microwave ovens
135156. What is the effect of entering the ip arp inspection validate src-mac configuration command on a switch?
- AIt checks the source L2 address in the Ethernet header against the sender L2 address in the ARP body.
- BIt disables all trunk ports.
- CIt displays the IP-to-MAC address associations for switch interfaces.
- DIt enables portfast on a specific switch interface.
136157. What protocol or technology is a Cisco proprietary protocol that is automatically enabled on 2960 switches?
- ADTP
- BSTP
- CVTP
- DEtherChannel
137158. What address and prefix length is used when configuring an IPv6 default static route?
- A::/0
- BFF02::1/8
- C0.0.0.0/0
- D::1/128
138159. What are two characteristics of Cisco Express Forwarding (CEF)? (Choose two.)
- AWhen a packet arrives on a router interface, it is forwarded to the control plane where the CPU matches the destination address with a matching routing table entry.
- BThis is the fastest forwarding mechanism on Cisco routers and multilayer switches.
- CWith this switching method, flow information for a packet is stored in the fast-switching cache to forward future packets to the same destination without CPU intervention.
- DPackets are forwarded based on information in the FIB and an adjacency table.
- EWhen a packet arrives on a router interface, it is forwarded to the control plane where the CPU searches for a match in the fast-switching cache.
139160. Which term describes the role of a Cisco switch in the 802.1X port-based access control?
- Aagent
- Bsupplicant
- Cauthenticator
- Dauthentication server
140161. Which Cisco solution helps prevent ARP spoofing and ARP poisoning attacks?
- ADynamic ARP Inspection
- BIP Source Guard
- CDHCP Snooping
- DPort Security
141162. What is an advantage of PVST+?
- APVST+ optimizes performance on the network through autoselection of the root bridge.
- BPVST+ reduces bandwidth consumption compared to traditional implementations of STP that use CST.
- CPVST+ requires fewer CPU cycles for all the switches in the network.
- DPVST+ optimizes performance on the network through load sharing.
142163. What protocol or technology uses a standby router to assume packet-forwarding responsibility if the active router fails?
- AEtherChannel
- BDTP
- CHSRP
- DVTP
143164. What is the effect of entering the show ip dhcp snooping binding configuration command on a switch?
- AIt switches a trunk port to access mode.
- BIt checks the source L2 address in the Ethernet header against the sender L2 address in the ARP body.
- CIt restricts the number of discovery messages, per second, to be received on the interface.
- DIt displays the IP-to-MAC address associations for switch interfaces.
144165. What action takes place when the source MAC address of a frame entering a switch is in the MAC address table?
- AThe switch forwards the frame out of the specified port.
- BThe switch updates the refresh timer for the entry.
- CThe switch replaces the old entry and uses the more current port.
- DThe switch adds a MAC address table entry for the destination MAC address and the egress port.
145166. A small publishing company has a network design such that when a broadcast is sent on the LAN, 200 devices receive the transmitted broadcast. How can the network administrator reduce the number of devices that receive broadcast traffic?
- AAdd more switches so that fewer devices are on a particular switch.
- BReplace the switches with switches that have more ports per switch. This will allow more devices on a particular switch.
- CSegment the LAN into smaller LANs and route between them.*
- DReplace at least half of the switches with hubs to reduce the size of the broadcast domain.
146167. What defines a host route on a Cisco router?
- AThe link-local address is added automatically to the routing table as an IPv6 host route.
- BAn IPv4 static host route configuration uses a destination IP address of a specific device and a /32 subnet mask.
- CA host route is designated with a C in the routing table.
- DA static IPv6 host route must include the interface type and the interface number of the next hop router.
147168. What else is required when configuring an IPv6 static route using a next-hop link-local address?
- Aadministrative distance
- Bip address of the neighbor router
- Cnetwork number and subnet mask on the interface of the neighbor router
- Dinterface number and type
148169. A technician is configuring a wireless network for a small business using a SOHO wireless router. Which two authentication methods are used, if the router is configured with WPA2? (Choose two.)
- Apersonal
- BAES
- CTKIP
- DWEP
- Eenterprise
149170. Which mitigation technique would prevent rogue servers from providing false IPv6 configuration parameters to clients?
- Aenabling DHCPv6 Guard
- Benabling RA Guard
- Cimplementing port security on edge ports
- Ddisabling CDP on edge ports
150171. A PC has sent an RS message to an IPv6 router attached to the same network. Which two pieces of information will the router send to the client? (Choose two.)
- Aprefix length
- Bsubnet mask in dotted decimal notation
- Cdomain name
- Dadministrative distance
- Eprefix
- FDNS server IP address
151172. While attending a conference, participants are using laptops for network connectivity. When a guest speaker attempts to connect to the network, the laptop fails to display any available wireless networks. The access point must be operating in which mode?
- Amixed
- Bpassive
- Cactive
- Dopen
Informações
- Descrição
- Quiz sobre Final CCNA2, criado por Adam Niepytaj em 27-01-2022.
- Autor
- Adam Niepytaj
- Idioma
- English
- Visualizações
- 87
- Avaliação
- Ainda sem avaliações Avalie este quiz