[June-2019-New]Exam 640-875 Dumps New 640-875 Exam Questions 268Q Released by Braindump2go
2019 Latest Braindump2go CCNA Service Provider 640-875 SPNGN1 Dumps with PDF and VCE New Updated Today! Following are some new 640-875 Exam Questions:
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New Question
You have a router that is configured as an NTP server. Which command should you use on the router to allow NTP queries only from hosts that are permitted in access list 10?
A. ntp access-group peer 10
B. ntp access-group serve 10
C. ntp access-group serve-only 10
D. ntp access-group query-only 10
Answer: C
New Question
You need to set an SLA that pings a neighbor IP every 10 seconds with a timeout of 1000 ms.
Which set of commands should you use?
A. (config)#ip sla 5
(config-ip-sla)#icmp-echo 10.0.0.1
(config-ip-sla-icmp)#frequency 10000
(config-ip-sla-icmp)#timeout 1000
B. (config)#ip sla 5
(config-ip-sla)#icmp-echo 10.0.0.1
(config-ip-sla-echo)#frequency 10
(config-ip-sla-echo)#timeout 1000
(config)#ip sla schedule 5 life forever start-time now
C. (config)#ip sla 5
(config-ip-sla)#icmp-echo 10.0.0.1
(config-ip-sla-icmp)#frequency 10
(config-ip-sla-icmp)#timeout 10
(config)#ip sla schedule 10 life forever start-time now
D. (config)#ip sla 5
(config-ip-sla)#type echo protocol ip IcmpEcho 10.0.0.1
(config-ip-sla-echo)#frequency 10
(config-ip-sla-echo)#timeout 1000
(config)#ip sla schedule 10 life forever start-time now
Answer: B
New Question
Which command can you use to reduce the amount of time that is required to flush inactive entries from the CDP table?
A. cdp holdtime
B. clear cdp table
C. cdp advertise-v2
D. cdp timer
Answer: A
New Question
You install third-party monitoring software on a server that has an IP address of 10.10.1.3. The monitoring software supports SNMPv1 and SNMPv2. You want to configure a router to allow SNMP access from the monitoring software by using the community string of Community1. The configuration must be as secure as possible. Which commands should you use?
A. access-list 10 permit 10.10.1.3
snmp-server community Community1 RO 10
B. snmp-server host 10.10.1.3
snmp-server community Community1 RW 10
C. snmp-server host 10.10.1.3
snmp-server community Community1 RO
D. access-list 10 permit 10.10.1.3
snmp-server community Community1 RO
Answer: A
New Question
Refer to the exhibit. You want to accomplish the following:
– Change the active flow timeout to three minutes.
– Change the inactive flow to one minute.
Which two commands should you run? (Choose two.)
A. (config)#ip flow-cache timeout active 3
B. (config)#ip flow-cache timeout inactive 60
C. (config)#ip flow-cache timeout active 180
D. (config)#ip flow-cache timeout inactive 1
Answer: AB
New Question
If a severity 1 problem is unresolved in four hours, the problem is escalated to which person?
A. the TAC director
B. the TAC manager
C. the TAC duty manager
D. the Vice President of Technical Services
Answer: A
New Question
In a ring topology network using only Cisco Catalyst 4500 and Cisco Catalyst 6500 devices and Ethernet as Layer 2 technology, which loop prevention mechanism provides the fastest convergence time in an event of link failure?
A. Rapid Per-VLAN Spanning Tree Protocol
B. Resilient Ethernet Protocol
C. Multiple Spanning Tree Protocol
D. Spanning Tree Protocol
Answer: B
New Question
Which are the two benefits of the star network topology over the bus network topology? (Choose two.)
A. Disruption of the entire network is not required when adding new machines.
B. Any problem which leaves the network inoperable can be traced to the central hub.
C. This network type requires less cable as compared to linear bus topology.
D. The performance of one of the numerous nodes cannot reflect on the performance of other nodes.
E. The performance of the entire network is directly dependent on the performance of the hub.
Answer: AB
New Question
Drag and Drop Question Drag the routing protocols on the left and drop them on the correct descriptions on the right. Not all routing protocols on the left are used.
Answer:
New Question
Refer to the exhibit. The link between RT1 and RT2 requires an authentication to be enabled using encrypted password.
Which four Cisco IOS commands are necessary to be applied on RT1? (Choose four.)
A. hostname RT1
B. int s0/0
encap hdlc
C. int s0/0
encap ppp
D. int s0/0
ppp authentication pap
E. int s0/0
ppp authentication chap
F. ip domain-name test.com
G. username RT2 password C!sco!23
H. username RT1 password C!sco!23
Answer: ACEG
New Question
At what layer of the OSI model is the Label Distribution Protocol present?
A. data link
B. transport
C. application
D. presentation
E. session
Answer: A
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