2018 March New Cisco 640-878 Exam Dumps with PDF and VCE Free Updated Today! Following are some new 640-878 Real Exam Questions:
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QUESTION 54
Which segment protocol provides fast and predictable convergence (typically within 50 ms) in Layer 2 Ethernet ring topologies?
A. Spanning Tree Protocol
B. Flex Links
C. Resilient Ethernet Protocol
D. Spatial Reuse Protocol
E. Resilient Packet Ring
Answer: C
QUESTION 55
Within an MPLS domain, which table is used by the ingress edge LSR to make forwarding decisions when an unlabeled IP packet is received?
A. FIB
B. LFIB
C. LIB
D. MP-BGP
E. VRF
Answer: A
QUESTION 56
Which three statements about access control lists on a Cisco IOS router are true? (Choose three)
A. The more specific ACL entries should be placed at the top of the ACL.
B. The generic ACL entries should be placed at the top of the ACL, to filter general traffic and reduce
noise on the network.
C. ACLs always search for the most specific entry before taking any filtering action.
D. Router-generated packets cannot be filtered by the interface ACLs on the router.
E. Extended ACLs should be placed as close to the destination as possible.
F. There must be at least one permit statement in an ACL, or all traffic is denied.
Answer: ADF
QUESTION 57
Which Cisco IOS access list permits HTTP traffic that is sourced from host 10.1.129.100 port 3030 and that is destined to host 192.168.1.10?
A. access-list 101 permit tcp any eq 3030
B. access-list 101 permit tcp 10.1.128.0 0.0.1.255 eq 3030 192.168.1.0 0.0.0.15 eq www
C. access-list 101 permit tcp 10.1.129.0 0.0.0.255 eq www 192.168.1.10 0.0.0.0 eq www
D. access-list 101 permit tcp host 192.168.1.10 eq 80 10.1.0.0 0.0.255.255 eq 3030
E. access-list 101 permit tcp 192.168.1.10 0.0.0.0 eq 80 10.1.0.0 0.0.255.255
F. access-list 101 permit ip host 10.1.129.100 eq 3030 host 192.168.1.100 eq 80
Answer: B
QUESTION 58
What is dual IOS mode on the Cisco ASR 1001 Router?
A. redundant IOS processes that are running on the active RP and standby RP
B. active and standby IOS processes that are running on a single RP
C. separate Cisco IOS XE and IOS XR processes that are running on a single RP
D. separate Cisco IOS XE and IOS XR processes that are running on two different RPs
E. checkpointed redundant IOS processes that are running on two different RPs in active/active mode
Answer: B
QUESTION 59
Which Cisco platform runs the Cisco IOS XE operating system?
A. Cisco ASR9K
B. Cisco CRS
C. Cisco 12000 GSR
D. Cisco ASR1K
E. Cisco ME 3400
F. Cisco ISR-G2
Answer: D
QUESTION 60
A service provider needs to implement a managed CE device that supports Cisco IOS ISSU, and
the current CE support staff is highly trained in Cisco IOS only. Which Cisco router platform should the service provider implement as the managed CE device?
A. Cisco ASR1K
B. Cisco ISR-G2
C. Cisco ASR9K
D. Cisco 12000 GSR
E. Cisco 7200
F. Cisco 7600
Answer: A
QUESTION 61
On Cisco IOS XR software, what are the four valid address-family configuration command options in static route configuration mode? (Choose four.)
A. address-family ipv4 unicast
B. address-family ipv6 unicast
C. address-family ipv4 multicast
D. address-family ipv6 multicast
E. address-family vpnv4
F. address-family vpnv6
Answer: ABCD
QUESTION 62
Which three statements about service provider network requirements are true? (Choose three.)
A. Service provider networks are becoming more specialized, with providers offering only one service.
B. Service providers connect customers to the Internet.
C. Jitter and packet loss are no longer an issue.
D. Multiple access technologies are supported.
E. Customers can connect directly using copper, wireless, or fiber-optic links.
Answer: BDE
QUESTION 63
Which three are common ISP access network technologies? (Choose three.)
A. DSL
B. Cable modem
C. DWDM
D. MPLS
E. PON
F. MP-BGP
Answer: ABE
QUESTION 64
Which three Cisco platforms are classified as core routers? (Choose three.)
A. Cisco XR 12000
B. Cisco ME 3400
C. Cisco ASR 1006
D. Cisco CRS-3
E. Cisco ASR 9010
F. Cisco 3900
Answer: ADE
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