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(TCO 1) A switch receives a frame from Server-1 with destination to Host-A. Both devices’ physical addresses are registered in the switch MAC address table. Where does the switch send the frame? (Points : 3)

Forward the frame as a broadcast to all egress ports except for the ingress port
Avoid a layer two loop by sending the frame to the main backplane of the switch
Directly from Server-1 to Host-A
Both answers A and C are correct.
None of the above

Question 2.2.(TCO 1) Which action does not occur before the boot loader loads the default IOS? (Points : 3)

Boot loader initializes FLASH
Switch loads BIOS into NVRAM
Switch executes POST
Boot loader initializes CPU
Both B and C are correct

Question 3.3.(TCO 1) Which step is not appropriate to recover from a damaged operating system? (Points : 3)

Use a console cable to access the switch.
Press mode button until System LED turns briefly amber.
Unplug the switch power cord.
Boot loader prompt switch: will appear.
Press CTRL+BREAK to interrupt corrupted IOS from loading.

Question 4.4.(TCO 1) A network engineer observes that the switch port status LED is alternating green-amber. What does this indicate? (Points : 3)

The system may not be receiving adequate power.
There is a link fault.
There are collisions on the port.
The RPS may be losing power at times.
None of the above

Question 5.5.(TCO 2) This VLAN is used to carry SSH, Telnet, SYSLOG, and SNMP traffic only between two host devices and the infrastructure devices. (Points : 3)

A default VLAN
A management VLAN
A native VLAN
A data VLAN
An administrative VLAN

Question 6.6.(TCO 2) This VLAN carries time-sensitive information. (Points : 3)

Data VLAN
Administrative VLAN
Management VLAN
Native VLAN
Voice VLAN

Question 7.7.(TCO 2) Switch A and Switch B are connected together via their Fast Ethernet F0/10. Switch A’s port is statically configured as Trunk and Switch’s B port is set as Dynamic Desirable. What will the status of the connection be between the two switches? (Points : 3)

Trunk
Access
Limited connectivity
Disabled
Auto

Question 8.8.(TCO 3) This network passes data most of the time, but sometimes for reasons unknown to the junior network engineer in charge of monitoring the network, the core router often crashes. What is the characteristic that is violated? (Points : 3)

Failure
Availability
Performance
Manageability
Scalability

Question 9.9.(TCO 3) Routers use the routing table to _____. (Points : 3)

exchange network reachability information with each other
encapsulate layer 3 packets before they are sent to the egress interface
select the best path toward the destination
determine the way of reaching the host on the ingress interface
Both answers C and D are correct.

Question 10.10.(TCO 3) The preferred Cisco IOS packet-forwarding mechanism is _____. (Points : 3)

Cisco main forwarding (CMF)
Cisco ultra-fast forwarding (CUF)
Cisco process switching (CPS)
Cisco fast switching (CFS)
Cisco express forwarding (CEF)

Question 11.11.(TCO 3) Which command would you use to troubleshoot a routing problem between a router and a switch? (Points : 3)

show ip interface brief
debug ip route
debug interface ip
show ip protocols
show ip route

Question 12.12.(TCO 3) What happens next if a router determines that an incoming packet has a destination of a directly connected network? (Points : 3)

Forward the packet to the next hop.
Check the ARP cache and forward packet to local host.
Encapsulate the packet into a destination IP address before forwarding.
Check the routing table for lowest cost path.
Answers A, B, and D are correct.

Question 13.13.(TCO 4) An advantage of using static routing is _____. (Points : 3)

static routes are not advertised over the network, resulting in better security
they are refreshed regularly so the information is current
they can reroute around downed links
static routing makes it easier to manage the network because routing decision is predictable
None of the above

Question 14.14.(TCO 4) Which statement is true regarding classless routing protocols? (Points : 3)

Sends inverse mask information in routing updates
Sends complete routing table update to all neighbors
Is supported by RIP version 1
Allows for use of both 172.16.1.0/30 and 172.16.1.32/28 subnets in the same topology
Reduces the amount of address space available in an organization

Question 15.15.(TCO 4) A static route that matches all packets is known as a _____. (Points : 3)

standard static route
universal static route
summary static route
default static route
floating static route

Question 16.16.(TCO 4) What task does dynamic routing protocols perform? (Points : 3)

Discover hosts
Maintain neighbor hello messages
Exchange default gateways
Network discovery
Assign IP addressing

Question 17.17.(TCO 4) In a fully specified static IPv6 route, both the _____ interface and _____ are specified. (Points : 3)

exit
IPv4 address of the destination network
IPv6 next-hop address
Answers A and B are correct.
Answers A and C are correct.

Question 18.18.(TCO 5) Router_A is currently the OSPF designated router (DR). When will an election occur for a new DR? (Points : 3)

When a new router comes up with a higher OSPF priority
When the point-to-point interface of the current DR goes down
When the DR fails
Answers A, B, and C are correct.
None of the above

Question 19.19.(TCO 5) The 224.0.0.6 OSPF address is used by _____. (Points : 3)

all routers to exchange link state advertisement
only the designated router to advertise LSAs
both designated and backup designated routers to forward LSAs
DROther routers to send LSAs to DRs and BDRs
None of the above

Question 20.20.(TCO 5) An OSPF router is configured with a basic hello timer of 10 seconds. What will the default dead interval timer be? (Points : 3)

30 seconds
20 seconds
10 seconds
40 seconds
60 seconds

Question 21.21.(TCO 5) The OSPF packet header contains _____. (Points : 3)

the expired TTL field
the DROther field
the DRTrust field
the router ID field
Answers B and D are correct.

Question 22.22.(TCO 5) Which command will verify that a router that is running OSPFv3 has formed an adjacency with other routers in its OSPF area? (Points : 3)

show running-configuration
show ip ospf neighbor
show ipv6 ospf neighbor
show ipv6 route ospf
show ipv6 interface brief

Question 23.23.(TCO 5) Single area OSPFv3 has been enabled on a router via the ipv6 router ospf 5 command. Which command will enable this OSPFv3 process on an interface of that router? (Points : 3)

ipv6 ospf 0 area 0
ipv6 ospf 0 area 5
ipv6 ospf 5 area 0
ipv6 ospf 5 area 5
None of the above

Question 24.24.(TCO 5) Cisco’s routers use this first to determine router-ID in OSPF. Assume IP addresses are configured on Physical and Loopback Interfaces only. (Points : 3)

IP addresses on Physical Interfaces
Lowest Loopback IP addresses
Most active IP address
Largest Loopback IP addresses
None of the above

Question 25.25.(TCO 6) What function describes the use of an access control list? (Points : 3)

ACLs can permit or deny traffic based upon the MAC address originating on the router.
Extended ACLs must be applied in egress interfaces to lower CPU utilization.
ACLs provide assurance that no attacks occur on the network.
ACLs provide best performance when used in conjunction with encryption.
ACLs can control which areas a host can access on a network.

Question 26.26.(TCO 6) Unlike IPv4 ACLs, IPv6 ACLs do not use _____. (Points : 3)

destination IPv6 addresses
operators
wildcard masks
port numbers
None of the above

Question 27.27.(TCO 6) What is a possible use of an access control list in an enterprise network? (Points : 3)

Limiting the amount of debug outputs
Reducing the processing load on routers
Control layer 2 traffic to protect against internal attacks
Allowing layer 2 traffic to be filtered by a router
All of the above

Question 28.28.(TCO 6) Which statement describes a characteristic of standard IPv4 ACLs? (Points : 3)

They are configured in the interface configuration mode.
They can only filter traffic in the egress interface.
They filter traffic based on source IP addresses only.
They can only be applied with the ip access-class command.
They are limited to filter only destination addresses.

Question 29.29.(TCO 6) Which statement describes a characteristic of extended IPv4 ACLs? (Points : 3)

They are best at filtering based on source addresses only.
They can filter source and protocol.
They can be applied in the global configuration mode before they can take effect.
They are less flexible than standard ACLs.
They can impact routing protocols due to their implicit deny all option.

Question 30.30.(TCO 6) If a router has four interfaces and is routing both IPv4 and IPv6 traffic, what is the maximum number of ACLs that could be created and applied to it? (Points : 3)

4
16
8
20
12

Question 31.31.(TCO 6) A network engineer has configured an access-list on NY-R1 to allow only SSH traffic to the router from network 192.168.255.0/24. Which command correctly applies to the above scenario? (Points : 3)

NY-R1(config-ACL)# ip access-class 101 out
NY-R1(config-if)# ip access-group 1 in
NY-R1(config)# ip access-class 101 in
NY-R1(config-line)# access-class 99 in
NY-R1(config-if)# ip access-class 50 in

Question 32.32.(TCO 7) Which DHCPv4 message will a client send to request an IPv4 address that is offered by a DHCP server? (Points : 3)

Unicast DHCPREQUEST
Broadcast DHCPOFFER
Unicast DHCPACK
Broadcast DHCPREQUEST
None of the above

Question 33.33.(TCO 7) This layer 3 address is used when a DHCP client makes a request to a DHCP server for an IPv4 address. (Points : 3)

FF-FF-FF-FF-FF-FF as a destination address
0.0.0.0 as a destination address
Answers A and B are correct.
169.254.0.0
255.255.255.255

Question 34.34.(TCO 7) What is the purpose of the DHCPACK message during the DHCPv4 process? (Points : 3)

To ensure that hosts on other subnets receive the information
To align with the default gateway cache pool
To ensure client binds the IP and MAC addresses during the RARP process
To redirect traffic to the correct host
None of the above

Question 35.35.(TCO 7) An administrator issues the commands:
Ro1(config)# interface F0/1
Ro1(config-if)# ip helper-address 192.120.1.1
What is the administrator trying to achieve? (Points : 3)

Configuring the router to obtain IP parameters from a DHCPv4 server
Configure the router to resolve IP conflicts
Configure the router to act as relay agent
Answers A and B are correct
Configure the router to minimize DHCP starvation

Question 36.36.(TCO 7) Assume that a DHCP server is properly configured and computers are placed in the right VLAN. What could cause DHCP clients to fail to obtain an IPv4 address? (Points : 3)

DHCP scope may not be elastic.
DHCP binding may be leaky.
STP timers
DHCP pool may encrypt request.
DHCP server may lower priority for DHCP requests.

Question 37.37.(TCO 7) A router just received an RS message from a PC requesting IPv6 prefix and prefix length information via the SLAAC method. What message does the router send back to the PC after receiving the RS message? (Points : 3)

An RA ACK message
An ACK message
A CONFIRM message
A SYN ACK message
None of the above

Question 38.38.(TCO 7) The command to use a router into a DHCP IPv6 relay agent on an interface is _____. (Points : 3)

ipv6 dhcp relay
ipv6 dhcp relay destination IPv6 address
ipv6 dhcp relay-agent
Answers A and C are correct.
None of the above

Question 39.39.(TCO 4) RIPv1 has the following characteristic: _____. (Points : 3)

Bandwidth is used as the metric for path selection
Updates are event-driven
Uses a topology table database
Answers A and C are correct.
None of the above

Question 40.40.(TCO 5) In order to prevent the the transmission of routing information through a router interface, but still allow that network to be advertised to other routers use the command _____. (Points : 3)

default-information propagate
router-interface
router filter
passive-interface
All of the above
1.(TCO 5) Match the information to the command that is used to obtain the information.
(Points : 10)
Potential Matches:
1 : router ospf 75
2 : Maximum Path: 4
3 : Dead Timer is Due in 00:00:35
4 : Adjacent with Neighbor 4.4.4.4
Answer
: show ip ospf interface s0/1/0
: show ip protocols
: show ip ospf neighbor detail
: show running-config

Question 2.2.(TCO 2) Frame tagging is (Points : 10)

removed by the sender switch.
originator switch.
added by the switch closest to the source host.
added by the source access device.
removed by the switch closest to the destination host.

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