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What are two roles of the Dynamic Host Configuration Protocol (DHCP)? (Choose two.)
Answer: BD
Tricky question. Note DHCP is administered at the "Server" level. The word "client" in the other options was deliberate to mislead. DHCP server requires clients to renew IP except it is tied to MAC, hence option A is out. BD is correct.
Source: Adapted from community discussion — chomjosh
Which command must be entered when a device is configured as an NTP server?
Answer: B
- ntp master {stratum-level}: NTP server mode—the device acts only as an NTP server, and not as an NTP client. The device gets its time information from the internal clock on the device. - ntp server {address | hostname}: NTP client/server mode—the device acts as both client and server. First, it acts as an NTP client, to synchronize time with a server. Once synchronized, the device can then act as an NTP server, to supply time to other NTP clients. reference : Wendell Odom CCNA vol 2 Correct answer : B
Source: Adapted from community discussion — sabaheta
What event has occurred if a router sends a notice level message to a syslog server?
Answer: B
0 Emergencies System shutting down due to missing fan tray 1 Alerts Temperature limit exceeded 2 Critical Memory allocation failures 3 Errors Interface Up/Down messages 4 Warnings Configuration file written to server, via SNMP request 5 Notifications Line protocol Up/Down 6 Information Access-list violation logging 7 Debugging Debug messages ANSWER = B
Source: Adapted from community discussion — IxlJustinlxl
Refer to the exhibit. A network technician is asked to design a small network with redundancy. The exhibit represents this design, with all hosts configured in the same VLAN. What conclusions can be made about this design?
Answer: C
I think we should reveal the designer name for future references. He has done terrible job in designing like this. Just to lighten up the mood. on serious not what if we have switch interface (SVI) on the router it could work but not as intended
Source: Adapted from community discussion — agazi
Refer to the exhibit. An engineer deploys a topology in which R1 obtains its IP configuration from DHCP. If the switch and DHCP server configurations are complete and correct, which two sets of commands must be configured on R1 and R2 to complete the task? (Choose two.)
Answer: BC
Note that DHCP server is behind R2 and R1 needs IP via DHCP. Therefore, R2 needs to be a relay agent. On R1 interface, ip address dhcp and R2 inside interface, ip helper-address 192.168.100.100 (dhcp server). Answers are B and C.
Source: Adapted from community discussion — ZayaB
Which two actions are performed by the Weighted Random Early Detection mechanism? (Choose two.)
Answer: DE
I also think the answer is DE. https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/qos_conavd/configuration/xe-16/qos-conavd-xe-16-book/qos-conavd-time-wred.html "WRED is a congestion avoidance mechanism. WRED combines the capabilities of the Random Early Detection (RED) algorithm with the IP precedence feature to provide for preferential traffic handling of higher priority packets. WRED can selectively discard lower priority traffic when the interface begins to get congested and provide differentiated performance characteristics for different classes of service."
Source: Adapted from community discussion — cdewet
Refer to the exhibit. An engineer configured NAT translations and has verified that the configuration is correct. Which IP address is the source IP after the NAT has taken place?
Answer: D
The answer should be D. According to Cisco, the Inside Global would be considered the source address after NAT has taken place. Source - https://www.cisco.com/c/en/us/support/docs/ip/network-address-translation-nat/4606-8.html
Source: Adapted from community discussion — LTTAM
If a notice-level message is sent to a syslog server, which event has occurred?
Answer: C
C is the correct answer. A routing instance is a collection of routing tables, interfaces, and routing protocol parameters. C states that it's A routing instance, which means it only happens to a single subject. Flapping does not mean the interface going up and down multiple times in very short period, I don't know where that definition came from, it means the instance went through a down-up cycle(s). The whole device restarted is much worse than a single instance flapped, all the config that's not in the start-up config can be wiped out.
Source: Adapted from community discussion — Eric852
DRAG DROP - Drag and drop the functions from the left onto the correct network components on the right. Select and Place:
This is an interactive task on the real exam — a drag-and-drop, hotspot or ordering question. There is nothing to select here, so the answer is shown below for reference.
Answer: See figure below
DHCP: Assigns a Default Gateway to a client Holds TCP/IP Settings to be distributed to the clients Assigns IP addresses to enabled clients DNS: Resolves web URLs to IP addresses Stores a list of IP addresses mapped to names
Source: Adapted from community discussion — ayd33n
Which two tasks must be performed to configure NTP to a trusted server in client mode on a single network device? (Choose two.)
Answer: AC
To configure authentication, perform this task in privileged mode: Step 1: Configure an authentication key pair for NTP and specify whether the key will be trusted or untrusted. Step 2: Set the IP address of the NTP server and the public key. Step 3: Enable NTP client mode. Step 4: Enable NTP authentication. Step 5: Verify the NTP configuration. Reference: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst4000/8-2glx/configuration/guide/ntp.html
Source: Adapted from community discussion — toto74500
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