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Share some CCNA Routing and Switching 200-125 exam questions and answers below.
What will happen if a private IP address is assigned to a public interface connected to an ISP?
A. Addresses in a private range will be not routed on the Internet backbone.
B. Only the ISP router will have the capability to access the public network.
C. The NAT process will be used to translate this address in a valid IP address.
D. Several automated methods will be necessary on the private network.
E. A conflict of IP addresses happens, because other public routers can use the same range.
Answer: A

What are types of IPv6 static routes? (Choose Three.)
A. Recursive routes
B. Directly connected routes
C. Fully specified routes
D. Advertised routes
E. Virtual links
F. Redistributed routes
Answer: ABC

For what two purposes does the Ethernet protocol use physical addresses? (Choose two.)
A. to uniquely identify devices at Layer 2
B. to allow communication with devices on a different network
C. to differentiate a Layer 2 frame from a Layer 3 packet
D. to establish a priority system to determine which device gets to transmit first
E. to allow communication between different devices on the same network
F. to allow detection of a remote device when its physical address is unknown
Answer: A,E

Which command can you enter to set the default route for all traffic to an interface?
A. router(config)#ip route 0.0.0.0 0.0.0.0 GigabitEthernet0/1
B. router(config)#ip route 0.0.0.0 255.255.255.255 GigabitEthernet0/1
C. router(config-router)#default-information originate
D. router(config-router)#default-information originate always
Answer: A

A router has learned three possible routes that could be used to reach a destination network. One route is from EIGRP and has a composite metric of 20514560. Another route is from OSPF with a metric of 782. The last is from RIPv2 and has a metric of 4.
Which route or routes will the router install in the routing table?
A. the OSPF route
B. the EIGRP route
C. the RIPv2 route
D. all three routes
E. the OSPF and RIPv2 routes
Answer: B

Two hosts are attached to a switch with the default configuration.
Which statement about the configuration is true?
A. IP routing must be enabled to allow the two hosts to communicate.
B. The two hosts are in the same broadcast domain.
C. The switch must be configured with a VLAN to allow the two hosts to communicate.
D. Port security prevents the hosts from connecting to the switch.
Answer: B

When an interface is configured with PortFast BPDU guard, how does the interface respond when it receives a BPDU?
A. It continues operating normally.
B. It goes into a down/down state.
C. It becomes the root bridge for the configured VLAN.
D. It goes into an errdisable state.
Answer: D

Which statement about RADIUS security is true?
A. It supports EAP authentication for connecting to wireless networks.
B. It provides encrypted multiprotocol support.
C. Device-administration packets are encrypted in their entirety.
D. It ensures that user activity is fully anonymous.
Answer: A

Which of the following describes the roles of devices in a WAN? (Choose three.)
A. A CSU/DSU terminates a digital local loop
B. A modem terminates a digital local loop
C. A CSU/DSU terminates an analog local loop
D. A modem terminates an analog local loop
E. A router is commonly considered a DTE device
F. A router is commonly considered a DCE device
Answer: ADE

What is the status of port-channel if LACP is misconfigured?
A. Forwarding
B. Enabled
C. Disabled
D. errdisabled
Answer: D

Which spanning-tree protocol rides on top of another spanning-tree protocol?
A. MSTP
B. RSTP
C. PVST+
D. Mono Spanning Tree
Answer: A

Which mode is compatible with Trunk, Access, and desirable ports?
A. Trunk Ports
B. Access Ports
C. Dynamic Auto
D. Dynamic Desirable
Answer: C

Which technology supports the stateless assignment of IPv6 addresses (Choose two) ?
A. DNS
B. DHCPv6
C. DHCP
D. autoconfiguration
Answer: BD

What is the authoritative source for an address lookup?
A. a recursive DNS search
B. the operating system cache
C. the ISP local cache
D. the browser cache
Answer: A

If you are configuring syslog messages specifying `logging trap warning', which log messages will the router send?
A. 0-4
B. 0-5
C. 0-6
D. 0-2
E. 0-1
Answer: A


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Share some CCNA Security 210-260 exam questions and answers below.
Which two next-generation encryption algorithms does Cisco recommend? (Choose two.)
A. AES
B. 3DES
C. DES
D. MD5
E. DH-1024
F. SHA-384
Answer: A,F

When an IPS detects an attack, which action can the IPS take to prevent the attack from spreading?
A. Deny the connection inline.
B. Perform a Layer 6 reset.
C. Deploy an antimalware system.
D. Enable bypass mode.
Answer: A

What are two default Cisco IOS privilege levels? (Choose two.)
A. 0
B. 1
C. 5
D. 7
E. 10
F. 15
Answer: B,F

What type of algorithm uses the same key to encrypt and decrypt data?
A. a symmetric algorithm
B. an asymmetric algorithm
C. a Public Key Infrastructure algorithm
D. an IP security algorithm
Answer: A

In what type of attack does an attacker virtually change a device's burned-in address in an attempt to circumvent access lists and mask the device's true identity?
A. gratuitous ARP
B. ARP poisoning
C. IP spoofing
D. MAC spoofing
Answer: D

Which two services define cloud networks? (Choose two.)
A. Infrastructure as a Service
B. Platform as a Service
C. Security as a Service
D. Compute as a Service
E. Tenancy as a Service
Answer: A, B

An attacker installs a rogue switch that sends superior BPDUs on your network. What is a possible result of this activity?
A. The switch could offer fake DHCP addresses.
B. The switch could become the root bridge.
C. The switch could be allowed to join the VTP domain.
D. The switch could become a transparent bridge.
Answer: B

According to Cisco best practices, which three protocols should the default ACL allow on an access port to enable wired BYOD devices to supply valid credentials and connect to the network? (Choose three.)
A. BOOTP
B. TFTP
C. DNS
D. MAB
E. HTTP
F. 802.1x
Answer: A, B, C

Which type of secure connectivity does an extranet provide?
A. other company networks to your company network
B. remote branch offices to your company network
C. your company network to the Internet
D. new networks to your company network
Answer: A

In a security context, which action can you take to address compliance?
A. Implement rules to prevent a vulnerability.
B. Correct or counteract a vulnerability.
C. Reduce the severity of a vulnerability.
D. Follow directions from the security appliance manufacturer to remediate a vulnerability.
Answer: A

What type of packet creates and performs network operations on a network device?
A. control plane packets
B. data plane packets
C. management plane packets
D. services plane packets
Answer: A

Which tool can an attacker use to attempt a DDoS attack?
A. botnet
B. Trojan horse
C. virus
D. adware
Answer: A

Which EAP method uses Protected Access Credentials?
A. EAP-FAST
B. EAP-TLS
C. EAP-PEAP
D. EAP-GTC
Answer: A

What VPN feature allows Internet traffic and local LAN/WAN traffic to use the same network connection?
A. split tunneling
B. hairpinning
C. tunnel mode
D. transparent mode
Answer: A

Which statement about communication over failover interfaces is true?
A. All information that is sent over the failover and stateful failover interfaces is sent as clear text by default.
B. All information that is sent over the failover interface is sent as clear text, but the stateful failover link is encrypted by default.
C. All information that is sent over the failover and stateful failover interfaces is encrypted by default.
D. User names, passwords, and preshared keys are encrypted by default when they are sent over the failover and stateful failover interfaces, but other information is sent as clear text.
Answer: A

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