CCNA 3 Final Exam 52-100

What is a characteristic of the two-tier spine-leaf topology of the Cisco ACI fabric architecture?​

• The leaf switches always attach to the spines, but they never attach to each other.

• The leaf switches always attach to the spines and they are interlinked through a trunk line.

• The spine switches attach to the leaf switches and attach to each other for redundancy.

• The spine and leaf switches are always linked through core switches.

Which two scenarios would result in a duplex mismatch? (Choose two.)

• connecting a device with autonegotiation to another that is manually set to full-duplex

• manually setting the two connected devices to different duplex modes

• starting and stopping a router interface during a normal operation

• connecting a device with an interface running at 100 Mbps to another with an interface running at 1000 Mbps

• configuring dynamic routing incorrectly

A network technician is configuring SNMPv3 and has set a security level of auth . What is the effect of this setting?

• authenticates a packet by using either the HMAC with MD5 method or the SHA method

• authenticates a packet by a string match of the username or community string

• authenticates a packet by using either the HMAC MD5 or 3.HMAC SHA algorithms and encrypts the packet with either the DES, 3DES or AES algorithms

• authenticates a packet by using the SHA algorithm only

What are two types of attacks used on DNS open resolvers? (Choose two.)

• amplification and reflection

• resource utilization

• fast flux

• ARP poisoning

• cushioning

An ACL is applied inbound on a router interface. The ACL consists of a single entry:

access-list 101 permit udp 192.168.100.0 0.0.2.255 64.100.40.0 0.0.0.15 eq telnet .

If a packet with a source address of 192.168.101.45, a destination address of 64.100.40.4, and a protocol of 23 is received on the interface, is the packet permitted or denied?

• denied

• permitted

An ACL is applied inbound on a router interface. The ACL consists of a single entry:

access-list 101 permit udp 192.168.100.0 0.0.2.255 64.100.40.0 0.0.0.0.15 eq telnet .

If a packet with a source address of 192.168.100.219, a destination address of 64.100.40.10, and a protocol of 54 is received on the interface, is the packet permitted or denied?

• denied

• permitted

Which type of resources are required for a Type 1 hypervisor?

• a management console

• a host operating system

• a dedicated VLAN

In JSON, what is held within square brackets [ ]?

• an array

• an object

• key/value pairs

• nested values

What are three components used in the query portion of a typical RESTful API request? (Choose three.)

• format

• key

• parameters

• API server

• protocol

A user reports that when the corporate web page URL is entered on a web browser, an error message indicates that the page cannot be displayed. The help-desk technician asks the user to enter the IP address of the web server to see if the page can be displayed. Which troubleshooting method is being used by the technician?

• divide-and-conquer

• substitution

• bottom-up

• top-down