» CCIE R&S Training » Spanning Tree Protocol 2

EnsurepassHere you will find answers to Spanning Tree Protocol Questions – Part 2 Question 1 Which standard supports multiple instances of spanning tree? A. 802.1 D B. 802.1s C. 802.1w D. 802.1 z Answer: B Question 2 Spanning Tree Protocol calculates path cost based on which of these? A. interface bandwidth B. interface delay C. interface bandwidth and delay D. hop count E. bridge priority Answer: A Question 3 In Layer 2 topologies, spanning-tree failures can cause loops in Read more [...]

» CCIE R&S Training » Drag and Drop Questions

EnsurepassHere you will find answers to Drag and Drop Questions Question 1 Drag the items to the proper locations Answer: Classification —> near the edge network Queuing —> congestion management Marking —> packet differentiation RED —> drop packets Shaping —> tail drop Policing —> inbound interface Explanation Classification entails using a traffic descriptor to categorize a packet within a specific group to define that packet and make Read more [...]

» CCIE R&S Training » Spanning Tree Protocol

EnsurepassHere you will find answers to Spanning Tree Protocol Questions   Question 1 Spanning Tree Protocol IEEE 802.1s defines the ability to deploy which of these? A. one global STP instance for all VLANs B. one STP instance for each VLAN C. one STP instance per set of VLANs D. one STP instance per set of bridges   Answer: C Explanation The IEEE 802.1s standard is the Multiple Spanning Tree (MST). With MST, you can group VLANs and run one instance of Spanning Tree for a group of VLANs. Other Read more [...]

» CCIE R&S Training » Multicast Questions 2

EnsurepassHere you will find answers to Multicast Questions – Part 2 Question 1 Which action must be taken by a host if it wants to join a multicast group? A. send an IGMPv2 membership report using unicast to the default router on the local subnet B. send an IGMPv2 membership report using unicast to the rendezvous point for the group C. send an IGMPv2 membership report using multicast to the “All-PIM-Routers” multicast group, 224.0.0.2, on the local subnet D. send an IGMPv2 Read more [...]

» CCIE R&S Training » Switching Basics

EnsurepassHere you will find answers to Switching Basics Questions Question 1 What two features in Cisco switches help prevent Layer 2 loops? (Choose two) A. UniDirectional Link Detection B. Hot Standby Router Protocol C. Virtual Router Redundancy Protocol D. PortFast E. root guard F. loop guard Answer: A F Explanation Both UniDirectional Link Detection (UDLD) and Loop Guard protect a switch trunk port from causing loops. Both features prevent switch ports from errantly moving from a blocking Read more [...]

» CCIE R&S Training » Multicast Questions

EnsurepassHere you will find answers to Multicast Questions Question 1 In PIM-SM what control plane signaling must a multicast source perform before it begins to send multicast traffic to a group? A. The source must send a PIM Register message to the rendezvous point (RP). B. The source must first join the multicast group using IGMP before sending. C. The source must perform a Request to Send (RTS) and Clear to Send (CTS) handshake with the PIM designated router (DR). D. No control plane signaling Read more [...]

» CCIE R&S Training » IPv6 Questions

EnsurepassHere you will find answer to IPv6 Questions Question 1 Which of these statements best describes the major difference between an IPv4-compatible tunnel and a 6to4 tunnel? A. An IPv4-compatible tunnel is a static tunnel, but an 6to4 tunnel is a semiautomatic tunnel. B. The deployment of a IPv4-compatible tunnel requires a special code on the edge routers, but a 6to4 tunnel does not require any special code. C. An IPv4-compatible tunnel is typically used only between two IPv6 domains, but Read more [...]

» CCIE R&S Training » Access list Questions

EnsurepassHere you will find answers to Access list Questions Question 1 What is the purpose of an explicit “deny any” statement at the end of an ACL? A. none, since it is implicit B. to enable Cisco IOS IPS to work properly; however, it is the deny all traffic entry that is actually required C. to enable Cisco IOS Firewall to work properly; however, it is the deny all traffic entry that is actually required D. to allow the log option to be used to log any matches E. to prevent sync Read more [...]

» CCIE R&S Training » IP Services

EnsurepassHere you will find answers to IP Services Questions Question 1 What is the default stratum clock on a Cisco router, when you see the key word “master” configured on the NTP line? A. 1 B. 2 C. 4 D. 6 E. 8 Answer: E Explanation The “ntp master” is used to configure the device as a master clock when external time synchronization is not possible; for example, the router is not connected to the Internet. If the network has ntp master configured and it cannot reach Read more [...]

» CCIE R&S Training » Security Questions

EnsurepassHere you will find answers to Security Questions Question 1 Which of these is mandatory when configuring Cisco IOS Firewall? A. Cisco IOS IPS enabled on the untrusted interface B. NBAR enabled to perform protocol discovery and deep packet inspection C. a route map to define the trusted outgoing traffic D. a route map to define the application inspection rules E. an inbound extended ACL applied to the untrusted interface Answer: E Question 2 If a certificate authority trustpoint is Read more [...]

» CCIE R&S Training » Miscellaneous Questions

EnsurepassHere you will find answers to Miscellaneous Questions Question 1 You replaced your Layer 3 switch, which is the default gateway of the end users. Many users cannot access anything now, including email, Internet, and other applications, although other users do not have any issues. All of the applications are hosted in an outsourced data center. In order to fix the problem, which one of these actions should you take? A. Clear the MAC address table in the switch. B. Clear the ARP cache Read more [...]

» CCIE R&S Training » MPLS Questions

EnsurepassHere you will find answers to MPLS Questions Question 1 Which statement correctly describes the disabling of IP TTL propagation in an MPLS network? A. The TTL field from the IP packet is copied into the TTL field of the MPLS label header at the ingress edge LSR. B. TTL propagation cannot be disabled in an MPLS domain. C. TTL propagation is only disabled on the ingress edge LSR. D. The TTL field of the MPLS label header is set to 255.  E. The TTL field of the IP packet is set to 0. Answer: Read more [...]