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Q1.  - (Topic 4)

Which two options are valid WAN connectivity methods? (Choose two.)

A. PPP

B. WAP

C. DSL

D. L2TPv3

E. Ethernet

Answer: A,C

Explanation:

The Point-to-Point Protocol (PPP) provides a standard method for transporting multi- protocol datagrams over point-to-point links. PPP was originally emerged as an encapsulation protocol for transporting IP traffic between two peers. It is a data link layer protocol used for WAN connections.

DSL is also considered a WAN connection, as it can be used to connect networks, typically when used with VPN technology.

Q2.  - (Topic 5)

What are three features of the IPv6 protocol? (Choose three.)

A. optional IPsec

B. autoconfiguration

C. no broadcasts

D. complicated header

E. plug-and-play

F. checksums

Answer: B,C,E

Explanation:

An important feature of IPv6 is that it allows plug and play option to the network devices by allowing them to configure themselves independently. It is possible to plug a node into an IPv6 network without requiring any human intervention. This feature was critical to allow network connectivity to an increasing number of mobile devices. This is accomplished by autoconfiguration.

IPv6 does not implement traditional IP broadcast, i.e. the transmission of a packet to all hosts on the attached link using a special broadcast address, and therefore does not define broadcast addresses. In IPv6, the same result can be achieved by sending a packet to the link-local all nodes multicast group at address ff02::1, which is analogous to IPv4 multicast to address 224.0.0.1.

Q3.  - (Topic 8)

Which feature can you use to monitor traffic on a switch by replicating it to another port or ports on the same switch?

A. copy run start

B. traceroute

C. the ICMP Echo IP SLA

D. SPAN

Answer: D

Explanation: A source port, also called a monitored port, is a switched or routed port that you monitor for network traffic analysis. In a single local SPAN session or RSPAN source session, you can monitor source port traffic, such as received (Rx), transmitted (Tx), or bidirectional (both). The switch supports any number of source ports (up to the maximum

number of available ports on the switch) and any number of source VLANs. A source port has these characteristics:

✑ It can be any port type, such as EtherChannel, Fast Ethernet, Gigabit Ethernet,

and so forth.

✑ It can be monitored in multiple SPAN sessions.

✑ It cannot be a destination port.

✑ Each source port can be configured with a direction (ingress, egress, or both) to monitor. For EtherChannel sources, the monitored direction applies to all physical ports in the group.

✑ Source ports can be in the same or different VLANs.

✑ For VLAN SPAN sources, all active ports in the source VLAN are included as source ports.

Q4.  - (Topic 5)

Refer to the exhibit.

All of the routers in the network are configured with the ip subnet-zero command. Which network addresses should be used for Link A and Network A? (Choose two.)

A. Network A - 172.16.3.48/26 

B. Network A - 172.16.3.128/25 

C. Network A - 172.16.3.192/26 

D. Link A - 172.16.3.0/30

E. Link A - 172.16.3.40/30

F. Link A - 172.16.3.112/30

Answer: B,D

Explanation:

Only a /30 is needed for the point to point link and sine the use of the ip subnet-zero was used, 172.16.3.0/30 is valid. Also, a /25 is required for 120 hosts and again 172.16.3.128/25 is the best, valid option.

Q5.  - (Topic 4)

Refer to the exhibit.

Which statement describes DLCI 17?

A. DLCI 17 describes the ISDN circuit between R2 and R3.

B. DLCI 17 describes a PVC on R2. It cannot be used on R3 or R1.

C. DLCI 17 is the Layer 2 address used by R2 to describe a PVC to R3.

D. DLCI 17 describes the dial-up circuit from R2 and R3 to the service provider.

Answer: C

Explanation:

DLCI-Data Link Connection Identifier Bits: The DLCI serves to identify the virtual connection so that the receiving end knows which information connection a frame belongs to. Note that this DLCI has only local significance. Frame Relay is strictly a Layer 2 protocol suite.

Q6.  - (Topic 5)

What is known as "one-to-nearest" addressing in IPv6?

A. global unicast

B. anycast

C. multicast

D. unspecified address

Answer: B

Explanation:

IPv6 Anycast addresses are used for one-to-nearest communication, meaning an Anycast address is used by a device to send data to one specific recipient (interface) that is the closest out of a group of recipients (interfaces).

Q7.  - (Topic 3)

Refer to the exhibit.

What commands must be configured on the 2950 switch and the router to allow communication between host 1 and host 2? (Choose two.)

A. Router(config)# interface fastethernet 0/0 Router(config-if)# ip address 192.168.1.1 255.255.255.0 Router(config-if)# no shut down

B. Router(config)# interface fastethernet 0/0 Router(config-if)# no shut down Router(config)# interface fastethernet 0/0.1 Router(config-subif)# encapsulation dot1q 10

Router(config-subif)# ip address 192.168.10.1 255.255.255.0 Router(config)# interface fastethernet 0/0.2

Router(config-subif)# encapsulation dot1q 20

Router(config-subif)# ip address 192.168.20.1 255.255.255.0

C. Router(config)# router eigrp 100 Router(config-router)# network 192.168.10.0

Router(config-router)# network 192.168.20.0

D. Switch1(config)# vlan database Switch1(config-vlan)# vtp domain XYZ

Switch1(config-vlan)# vtp server

E. Switch1(config)# interface fastethernet 0/1 Switch1(config-if)# switchport mode trunk

F. Switch1(config)# interface vlan 1 Switch1(config-if)# ip default-gateway 192.168.1.1

Answer: B,E

Explanation:

The router will need to use subinterfaces, where each subinterface is assigned a VLAN and IP address for each VLAN. On the switch, the connection to the router need to be configured as a trunk using the switchport mode trunk command and it will need a default gateway for VLAN 1.

Q8.  - (Topic 8)

Which statement about switch access ports is true?

A. They drop packets with 802.1Q tags.

B. A VLAN must be assigned to an access port before it is created.

C. They can receive traffic from more than one VLAN with no voice support

D. By default, they carry traffic for VLAN 10.

Answer: A

Explanation:

"If an access port receives a packet with an 802.1Q tag in the header other than the access VLAN value, that port drops the packet without learning its MAC source address."

Q9.  - (Topic 4)

Which command allows you to verify the encapsulation type (CISCO or IETF) for a Frame Relay link?

A. show frame-relay lmi

B. show frame-relay map

C. show frame-relay pvc

D. show interfaces serial

Answer: B

Explanation:

When connecting Cisco devices with non-Cisco devices, you must use IETF4 encapsulation on both devices. Check the encapsulation type on the Cisco device with the show frame-relay map exec command.

Q10.  - (Topic 6)

Which item represents the standard IP ACL?

A. access-list 110 permit ip any any

B. access-list 50 deny 192.168.1.1 0.0.0.255

C. access list 101 deny tcp any host 192.168.1.1

D. access-list 2500 deny tcp any host 192.168.1.1 eq 22

Answer: B

Explanation:

The standard access lists are ranged from 1 to 99 and from 1300 to 1999 so only access list 50 is a standard access list.