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New Cisco 200-125 Exam Dumps Collection (Question 6 - Question 15)

New Questions 6

What are the Populardestinations for syslog messages to be saved? (Choose three)

A. Flash

B. The logging buffer .RAM

C. The console terminal

D. Other terminals

E. Syslog server

Answer: B,C,E


By default, switches send the output from system messages and debug privileged EXEC commands to a logging process. The logging process controls the distribution of logging messages to various destinations, such as the logging buffer (on RAM), terminal lines (console terminal), or a UNIX syslog server, depending on your configuration. The process also sends messages to the console.

Note: Syslog messages can be written to a file in Flash memory although it is not a popular place to use. We can configure this feature with the commandlogging file flash:filename.

New Questions 7

When a DHCP server is configured, which two IP addresses should never be assignable to hosts? (Choose two.)

A. network or subnetwork IP address

B. broadcast address on the network

C. IP address leased to the LAN

D. IP address used by the interfaces

E. manually assigned address to the clients

F. designated IP address to the DHCP server

Answer: A,B


Network or subnetwork IP address (for example or and broadcast address (for example should never be assignable to hosts. When try to assign these addresses to hosts, you will receive an error message saying that they canu2019t be assignable.

New Questions 8


Refer to the topology. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links.

You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices.

An OSPF neighbor adjacency is not formed between R3 in the main office and R6 in the Branch3 office. What is causing the problem?

A. There is an area ID mismatch.

B. There is a PPP authentication issue; the username is not configured on R3 and R6.

C. There is an OSPF hello and dead interval mismatch.

D. The R3 router ID is configured on R6.

Answer: D


Using the show running-config command we see that R6 has been incorrectly configured with the same router ID as R3 under the router OSPF process.

New Questions 9

Refer to the exhibit.

A network administrator attempts to ping Host2 from Host1 and receives the results that are shown. What is the problem?

A. The link between Host1 and Switch1 is down.

B. TCP/IP is not functioning on Host1

C. The link between Router1 and Router2 is down.

D. The default gateway on Host1 is incorrect.

E. Interface Fa0/0 on Router1 is shutdown.

F. The link between Switch1 and Router1 is down.

Answer: C


Host1 tries to communicate with Host2. The message destination host unreachable from Router1 indicates that the problem occurs when the data is forwarded from Host1 to Host2. According to the topology, we can infer that the link between Router1 and Router2 is down.

New Questions 10

You are working in a data center environment and are assigned the address range You are asked to develop an IP addressing plan to allow the maximum number of subnets with as many as 30 hosts each. Which IP address range meets these requirements?






Answer: D


Each subnet has 30 hosts < 32 = 25 so we need a subnet mask which has at least 5 bit 0s

-> /27. Also the question requires the maximum number of subnets (which minimum the number of hosts-per-subnet) so /27 is the best choice.

New Questions 11

What are three approaches that are used when migrating from an IPv4 addressing scheme to an IPv6 scheme. (Choose three.)

A. enable dual-stack routing

B. configure IPv6 directly

C. configure IPv4 tunnels between IPv6 islands

D. use proxying and translation to translate IPv6 packets into IPv4 packets

E. statically map IPv4 addresses to IPv6 addresses

F. use DHCPv6 to map IPv4 addresses to IPv6 addresses

Answer: A,C,D


Several methods are used terms of migration including tunneling, translators, and dual stack. Tunnels are used to carry one protocol inside another, while translators simply translate IPv6 packets into IPv4 packets. Dual stack uses a combination of both native IPv4 and IPv6. With dual stack, devices are able to run IPv4 and IPv6 together and if IPv6 communication is possible that is the preferred protocol. Hosts can simultaneously reach IPv4 and IPv6 content.

New Questions 12

What are the three things that the Netflow uses to consider the traffic to be in a same flow? (Choose three)

A. IP address

B. Interface name

C. Port numbers

D. L3 protocol type

E. MAC address

Answer: A,C,D


What is an IP Flow?

Each packet that is forwarded within a router or switch is examined for a set of IP packet attributes. These attributes are the IP packet identity or fingerprint of the packet and determine if the packet is unique or similar to other packets.

Traditionally, an IP Flow is based on a set of 5 and up to 7 IP packet attributes. IP Packet attributes used by NetFlow:

+ IP source address

+ IP destination address

+ Source port

+ Destination port

+ Layer 3 protocol type

+ Class of Service

+ Router or switch interface

New Questions 13

Refer to the exhibit.

A network administrator is adding two new hosts to SwitchA. Which three values could be used for the configuration of these hosts? (Choose three.)

A. host A IP address:

B. host A IP address:

C. host A default gateway:

D. host B IP address:

E. host B default gateway:

F. host B IP address:

Answer: A,C,F


Itu2019s a u201crouter-on-a-sticku201d configuration. Which means each host in the VLAN must corresponds with the VLAN configured on the sub-interfaces.

VLAN 10 is configured on fa0/0.10 and VLAN 20 on fa0/0.20. So each hosts in VLAN 10 must use fa0/0.10 IP address as their default gateway, each hosts must also be in the same subnet as fa0/0.10 IP u2013 same with hosts in VLAN 20.

So find out the usable IP addresses on each sub-interfaces u2013 for /27: u2013 .94 and for /26: u2013 .190.

Host A (using port 6 u2013 VLAN 10) must use IP, default gateway Host B (using port 9 u2013 VLAN 20) must use IP, default gateway

New Questions 14

A network administrator needs to configure port security on a switch. Which two statements are true? (Choose two.)

A. The network administrator can apply port security to dynamic access ports.

B. The network administrator can apply port security to EtherChannels.

C. When dynamic MAC address learning is enabled on an interface, the switch can learn new addresses, up to the maximum defined.

D. The sticky learning feature allows the addition of dynamically learned addresses to the running configuration.

E. The network administrator can configure static secure or sticky secure MAC addresses in the voice VLAN.

Answer: C,D


Follow these guidelines when configuring port security:

+ Port security can only be configured on static access ports, trunk ports, or 802.1Q tunnel ports.

+ A secure port cannot be a dynamic access port.

+ A secure port cannot be a destination port for Switched Port Analyzer (SPAN).

+ A secure port cannot belong to a Fast EtherChannel or Gigabit EtherChannel port group.

+ You cannot configure static secure or sticky secure MAC addresses on a voice VLAN.

+ When you enable port security on an interface that is also configured with a voice VLAN, you must set the maximum allowed secure addresses on the port to at least two.

+ If any type of port security is enabled on the access VLAN, dynamic port security is automatically enabled on the voice VLAN.

+ When a voice VLAN is configured on a secure port that is also configured as a sticky secure port, all addresses seen on the voice VLAN are learned as dynamic secure addresses, and all addresses seen on the access VLAN (to which the port belongs) are learned as sticky secure addresses.

+ The switch does not support port security aging of sticky secure MAC addresses.

+ The protect and restrict options cannot be simultaneously enabled on an interface.

(Reference: http://www.cisco.com/en/US/docs/switches/lan/catalyst3550/software/release/12.1_19_ea1


Topic 11, Infrastructure Management


Refer to the topology. Your company has connected the routers R1, R2, and R3 with serial

links. R2 and R3 are connected to the switches SW1 and SW2, respectively. SW1 and SW2 are also connected to the routers R4 and R5.

The EIGRP routing protocol is configured.

You are required to troubleshoot and resolve the EIGRP issues between the various routers.

Use the appropriate show commands to troubleshoot the issues.

Study the following output taken on R1: R1# Ping source Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to, timeout is 2 seconds: Packet sent with a source address of


Success rate is 0 percent (0/5) Why are the pings failing?

A. The network statement is missing on R5.

B. The loopback interface is shut down on R5.

C. The network statement is missing on R1.

D. The IP address that is configured on the Lo1 interface on R5 is incorrect.

New Questions 15

Which statement about access lists that are applied to an interface is true?

A. You can place as many access lists as you want on any interface.

B. You can apply only one access list on any interface.

C. You can configure one access list, per direction, per Layer 3 protocol.

D. You can apply multiple access lists with the same protocol or in different directions.

Answer: C


We can have only 1 access list per protocol, per direction and per interface. It means:

+ We cannot have 2 inbound access lists on an interface

+ We can have 1 inbound and 1 outbound access list on an interface

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