★ Pass on Your First TRY ★ 100% Money Back Guarantee ★ Realistic Practice Exam Questions
Free Instant Download NEW 640-875 Exam Dumps (PDF & VCE):
Available on:
https://www.certleader.com/640-875-dumps.html
With the aid of Examcollection 640-875 dumps, you can obtain a excellent result basically that will make an individual move Cisco test. Furthermore, in the event you failed inside the 640-875 examination for the first time of using our products, just about all funds you pay will probably be reimbursement. You only need to deliver the 640-875 statement records since any pdf file to us. Following credit reporting your details, well reimbursement the amount of money and return it in your consideration at the earliest opportunity.
2021 Jun 640-875 examcollection:
Q41. Given these four Class B networks: 172.104.0.0, 172.105.0.0, 172.106.0.0, 172.107.0.0, what is the supernet (CIDR) address that summarizes these four Class B networks?
A. 172.104.0.0/12
B. 172.104.0.0/13
C. 172.104.0.0/14
D. 172.104.0.0/15
Answer: C
Explanation:
Q42. Which two statements about IPv4 DHCP operations are true? (Choose two.)
A. If the DHCP clients and servers are on the same subnet, DHCP uses UDP broadcasts to communicate between the clients and servers.
B. The DHCP server that receives a DHCPDISCOVER message may respond with a DHCPOFFER message on UDP port 67.
C. A client can receive DHCPOFFER from multiple servers and it can accept all the offers by broadcasting the DHCPREQUEST message to all the servers.
D. A DHCP relay is required if the DHCP clients and the servers are on the same subnet.
E. If the client and server are on different subnets, DHCPDISCOVER and DHCPREQUEST messages are sent via UDP broadcasts, but DHCPOFFER and DHCPACK messages are unicast.
F. The client broadcasts a DHCPDISCOVER message on UDP port 68 with its own MAC address to discover available DHCP servers.
Answer: A,E
Explanation:
Q43. Refer to the exhibit.
Which two statements are true regarding the following configuration?
A. Users are authenticated using RADIUS.
B. TACACS+ is configured for remote AAA.
C. A TACACS+ AAA server group is configured.
D. A TACACS+ server can be reached through the GigabitEthernet0/1/0/1 interface.
E. Logging is configured to the local database.
Answer: B,D
Q44. Refer to the exhibit.
Using a single Class C network of 192.168.1.0/24 and VLSM, which two options specify the number of subnets that are needed to support this network and what are the minimum sizes of the required subnets? (Choose two.)
A. 4 subnets
B. 6 subnets
C. 8 subnets
D. 26 subnets
E. 28 subnets
F. two /30 subnets + one /28 subnets + one /29 subnets
G. four /30 subnets + two /28 subnets
H. six /30 subnets + two /28 subnets
I. twenty six /30 subnets
J. twenty eight /30 subnets
Answer: B,G
Explanation:
Q45. Currently, a Cisco IOS XR router is configured to send IP SLA probes to a network management station that is acting as the IP SLA target device. How can IP SLA measurement accuracy be improved and also provide additional statistics?
A. Use ICMP echo probes instead of UDP echo probes.
B. Configure another Cisco router as the target and enable that other Cisco router for IP SLA Responder operations.
C. Increase the rate (frequency) at which a specified IP SLA operation is sent into the network.
D. Use UDP echo probes instead of ICMP echo probes and enable UDP echo service on the target network management station.
E. Enable IP SLA Responder service on the target network management station
Answer: B
Explanation:
Most recent 640-875 spngn1:
Q46. Generally, which way is the fastest to open S3 and S4 service requests to the Cisco TAC?
A. Use the Smart Call Home feature.
B. Use the online TAC Service Request Tool.
C. Call Cisco TAC on the phone.
D. Email Cisco TAC with a high-priority email.
E. Export the related Syslog/NetFlow information to TAC directly.
Answer: B
Explanation:
Q47. Which option is enabled by default on Cisco IOS and IOS XE routers?
A. IPv6 unicast routing
B. IPv4 unicast routing
C. IPv6 and IPv4 unicast routing
D. SSH server
E. HTTP server
F. SSH and HTTP server
G. AAA console login authentication
Answer: B
Explanation:
Q48. Which Cisco router feature allows multiple independent routing table instances to co-exist within the same router at the same time?
A. Virtual Contexts
B. Virtual Machines
C. VTI
D. VRF
E. VPLS
F. GRE
Answer: D
Explanation:
Q49. You need to enable the "local-router" serial 0/0 connection to the "remote-router" to be authenticated using the "C!sco!23" password. The password cannot be sent in cleartext between the two routers. The "remote-router" has already been configured with all the required configurations.
Which four Cisco IOS configurations are necessary? (Choose four.)
A. hostname local-router
B. int s0/0
C. encap hdlc int s0/0
D. encap ppp int s0/0
E. ppp authentication pap int s0/0
F. ppp authentication chap ip domain-name test.com
G. username remote-router password C!sco!23
H. username local-router password C!sco!23
Answer: A,C,E,G
Explanation:
Q50. Which SNMPv2/SNMPv3 operation is not supported in Cisco IOS XR software?
A. get-bulk
B. get-request
C. inform
D. trap
E. set-request
Answer: C
Explanation: