What represents a feature to secure OSPF routing exchanges?
A.
OSPF peer authentication
B.
OSPF route authentication
C.
OSPF process authentication
D.
OSPF database exchange authentication
What represents a feature to secure OSPF routing exchanges?
What represents a feature to secure OSPF routing exchanges?
shouldn’t it be “B”?
BGP uses the term “peer authentication”
OSPF calls them “neighbors” not “peers”
Nonetheless, I am still not sure because the routes are not what gets authenticated, it is either interfaces, or areas.
http://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r4-2/routing/configuration/guide/b_routing_cg42crs/b_routing_cg42crs_chapter_0100.html#con_1093502
it is A.
New 642-998 Exam Questions and Answers Updated Recently:
NEW QUESTION 148
Which STP protocol is the default that is enabled on Cisco Nexus switches?
A. STP (802.1d)
B. MST (802.1s)
C. RSTP (802.1w)
D. Rapid PVST+
Answer: D
NEW QUESTION 149
Which two requirements must be satisfied to implement STP Bridge Assurance on Cisco Nexus switches? (Choose two.)
A. CST or RSTP
B. STP or RSTP
C. MST or Rapid PVST+
D. a port type of network
E. a port type of edge
F. a port type of normal
Answer: CD
NEW QUESTION 150
You have a vPC domain that contains a Cisco Nexus 5000 Series pair. You plan to implement HSRP. Which feature must you enable to ensure that forwarding paths are load balanced between two active gateways?
A. auto-recovery
B. role-priority
C. peer-switch
D. peer-gateway
Answer: D
NEW QUESTION 151
You have a vPC domain that contains a Cisco Nexus 5000 Series pair. Which feature must you enable to make the Cisco Nexus pair operates as a single STP root?
A. auto-recovery
B. priority
C. peer-switch
D. peer-gateway
Answer: C
NEW QUESTION 152
You plan to implement a new data center solution that will use an IGP. Which routing protocol must you use in a large full-mesh network that requires fast convergence and scalability?
A. LDP
B. BGP
C. RIP
D. EIGRP
E. IS-IS
Answer: E
NEW QUESTION 153
Which two options are benefits of implementing Cisco FabricPath? (Choose two.)
A. All links between FabricPath switches are active.
B. The MAC addresses of servers are learned by all FabricPath switches.
C. Layer 2 protocols are used for loop avoidance.
D. MAC learning is conversation-based.
E. Segmentation is provided at Layer 3.
Answer: AD
NEW QUESTION 154
Which two statements about the ports on a Cisco UCS 6248UP Fabric Interconnect are true? (Choose two.)
A. Ethernet ports are defined in blocks of ports.
B. Fibre Channel ports are defined as single ports.
C. The Ethernet ports start at any unified port and end at an even port.
D. The first Fibre Channel port must start after the last Ethernet port.
E. The last Fibre Channel port must come before the first Ethernet port.
Answer: AD
NEW QUESTION 155
Which two technologies provide the greatest reduction in energy consumption for a data center? (Choose two.)
A. server virtualization
B. a converged network infrastructure
C. network virtualization
D. routing table virtualization
E. orchestration and automation
Answer: AB
NEW QUESTION 156
You are comparing the use of a Cisco Nexus 1000V Series Switch and a VMware distributed virtual switch. Which two features are provided only by the Cisco Nexus 1000V Series Switch? (Choose two.)
A. NetFlow capabilities
B. support for PVLANs
C. DSCP marking for QoS
D. 802.1Q VLAN tagging
E. vPC host mode pinning
Answer: CE
NEW QUESTION 157
Which statement accurately describes a disjoint Layer 2 network topology in Cisco UCS infrastructure?
A. A vNIC can communicate with only one Layer 2 domain.
B. A VLAN can overlap across Layer 2 domains.
C. A Cisco UCS Fabric Interconnect must be configured in switching mode.
D. Servers can use any virtual interface card.
Answer: A
NEW QUESTION 158
Refer to the exhibit. You have a virtual machine configured on each Cisco UCS B200 Series blade server installed on different Cisco UCS 5108 chassis. The virtual machines are on the same VLAN. The fabric interconnect is in end-host mode. Which statement describes how communication occurs between the virtual machines?
A. Traffic is switched within the virtual switch and forwarded to the proper vNIC.
B. Traffic is switched by the hypervisor and forwarded to the proper vNIC.
C. Traffic is switched by the fabric interconnect and forwarded to the virtual machine.
D. Traffic is forwarded to the uplink switch where the fabric interconnect is connected.
Answer: C
NEW QUESTION 159
……
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Good Luck !!!
I agree with Keith. I’m not sure either….but I’ll probably choose A.
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