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New Cisco 200-125 Exam Dumps Collection (Question 3 - Question 12)

Q3. If host Z needs to send data through router R1 to a storage server, which destination MAC address does host Z use to transmit packets?

A. the host Z MAC address

B. the MAC address of the interface on R1 that connects to the storage server

C. the MAC address of the interface on R1 that connects to host Z

D. the MAC address of the storage server interface

Answer: C

Q4. Which type of device can be replaced by the use of subinterfaces for VLAN routing?

A. Layer 2 bridge

B. Layer 2 switch

C. Layer 3 switch

D. router

Answer: C

Q5. Which method does a connected trunk port use to tag VLAN traffic?

A. IEEE 802 1w

B. IEEE 802 1D

C. IEEE 802 1Q

D. IEEE 802 1p

Answer: C

Explanation:

http://www.cisco.com/c/en/us/support/docs/lan-switching/8021q/17056-741-4.html

Q6. In which three ways is an IPv6 header simpler than an IPv4 header? (Choose three.)

A. Unlike IPv4 headers, IPv6 headers have a fixed length.

B. IPv6 uses an extension header instead of the IPv4 Fragmentation field.

C. IPv6 headers eliminate the IPv4 Checksum field.

D. IPv6 headers use the Fragment Offset field in place of the IPv4 Fragmentation field.

E. IPv6 headers use a smaller Option field size than IPv4 headers.

F. IPv6 headers use a 4-bit TTL field, and IPv4 headers use an 8-bit TTL field.

Answer: A,B,C

Q7. 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."

Q8. 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:

u2711 It can be any port type, such as EtherChannel, Fast Ethernet, Gigabit Ethernet, and so forth.

u2711 It can be monitored in multiple SPAN sessions.

u2711 It cannot be a destination port.

u2711 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.

u2711 Source ports can be in the same or different VLANs.

u2711 For VLAN SPAN sources, all active ports in the source VLAN are included as source ports.

Q9. When troubleshooting client DNS issues, which two tasks must you perform? (Choose two.)

A. Ping a public website IP address.

B. Determine whether a DHCP address has been assigned.

C. Determine whether the hardware address is correct.

D. Ping the DNS server.

E. Determine whether the name servers have been configured.

Answer: D,E

Q10. Refer to the exhibit. You have determined that computer A cannot ping computer B. Which reason for the problem is most likely true?

A. The computer A subnet mask is incorrect.

B. The computer B subnet mask is incorrect.

C. The computer B default gateway address is incorrect.

D. The computer A default gateway address is incorrect.

Answer: D

Q11. What are three characteristics of the TCP protocol? (Choose three.)

A. It uses a single SYN-ACK message to establish a connection.

B. The connection is established before data is transmitted.

C. It ensures that all data is transmitted and received by the remote device.

D. It supports significantly higher transmission speeds than UDP.

E. It requires applications to determine when data packets must be retransmitted.

F. It uses separate SYN and ACK messages to establish a connection.

Answer: B,C,F

Q12. Which two security appliances will you use in a network? (Choose two.)

A. ATM

B. IDS

C. IOS

D. IOX

E. IPS

F. SDM

Answer: B,E

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