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Question 18/83
You are deploying new Juniper EX Series switches in a network that currently is using Cisco's Per- VLAN spanning tree plus (PVST+) and you must provide compatibility with this environment.
Which spanning tree protocol do you deploy in this scenario?
Which spanning tree protocol do you deploy in this scenario?
Correct Answer: C
VSTP has the following benefits:
Connects devices that are not part of the network
Compatible with Cisco PVST+
VSTP and RSTP are the only spanning-tree protocols that can be configured concurrently on a device.
VSTP Restrictions
VSTP has these restrictions:
The EX Series switches EX4300, EX4600 and the QFX platforms QFX5100,QFX3500,QFX3600 support 510 Vlans on VSTP.
VSTP is not supported on the SRX platform - just STP/RSTP/MSTP are supported on SRX Series.
On EX Series (except EX9200) and QFX Series switches running Junos OS that supports ELS- VSTP can support up to 510 VLANs.
On EX9200 switches-VSTP can support up to 4000 VLANs.
On an EX Series switch running Junos OS that does not support ELS-VSTP can support up to
253 VLANs.
Connects devices that are not part of the network
Compatible with Cisco PVST+
VSTP and RSTP are the only spanning-tree protocols that can be configured concurrently on a device.
VSTP Restrictions
VSTP has these restrictions:
The EX Series switches EX4300, EX4600 and the QFX platforms QFX5100,QFX3500,QFX3600 support 510 Vlans on VSTP.
VSTP is not supported on the SRX platform - just STP/RSTP/MSTP are supported on SRX Series.
On EX Series (except EX9200) and QFX Series switches running Junos OS that supports ELS- VSTP can support up to 510 VLANs.
On EX9200 switches-VSTP can support up to 4000 VLANs.
On an EX Series switch running Junos OS that does not support ELS-VSTP can support up to
253 VLANs.
- Question List (83q)
- Question 1: There are two BGP routes to 10.200.200.0/24 received from tw...
- Question 2: Click the Exhibit button. (Exhibit) You receive the same 75....
- Question 3: A user is attempting to watch a high-definition video being ...
- Question 4: Your network has Junos Fusion configured with MX960 routers ...
- Question 5: Your enterprise network uses routing instances to support mu...
- Question 6: You are using 802.1X in your access network consisting of EX...
- Question 7: A customer requires that the switch responds to an ARP reque...
- Question 8: Which three statements are correct about EVPN route types? (...
- Question 9: What information is contained in an OSPF LSA header? (Choose...
- Question 10: Your network has an unmanaged switch between the hosts and y...
- Question 11: You are asked to implement fault tolerant RPs in your multic...
- Question 12: You have configured CoS on a Junos device. A packet is class...
- Question 13: You are configuring BGP policies for a site with a dual-home...
- Question 14: Referring to the exhibit, anycast RP is implemented to ensur...
- Question 15: You are asked to configure 802.1X on your access ports to al...
- Question 16: Which two statements are correct regarding the behavior show...
- Question 17: You are implementing CoS for a custom application that is la...
- Question 18: You are deploying new Juniper EX Series switches in a networ...
- Question 19: You are asked to configure an 802.1X solution that supports ...
- Question 20: You have an MX960 configured as a Fusion aggregation device ...
- Question 21: Your enterprise network is running BGP VPNs to support multi...
- Question 22: You notice a mass withdrawal of routes for some of the netwo...
- Question 23: Your IS-IS adjacency is not established as shown in the exhi...
- Question 24: A Layer 2 connection does not expend across data centers. Th...
- Question 25: What are two similarities between OSPFv2 and OSPFv3? (Choose...
- Question 26: You created a firewall rule to protect the Routing Engine. A...
- Question 27: When using wide metrics, which two statements about route ad...
- Question 28: Referring to the exhibit, which two statements are correct? ...
- Question 29: You are asked to merge a RIP network with your OSPF network....
- Question 30: You are configuring MVRP for automatic VLAN registration. Wh...
- Question 31: A customer on MSTI-2 was isolated due to a physical link out...
- Question 32: Refer to Exhibit: (Exhibit) You have a workstation and a VoI...
- Question 33: Which statement is correct about IS-IS?...
- Question 34: You want to view the VLANs that have been created dynamicall...
- Question 35: You have an IPv4 multicast network configured as PIM-SM. Wha...
- Question 36: You have multiple BGP routes to the same prefix with equal l...
- Question 37: Juniper devices use the token bucket algorithm for policing....
- Question 38: Click the Exhibit. (Exhibit) You have a workstation and VoIP...
- Question 39: Click the Exhibit button. (Exhibit) Referring to the exhibit...
- Question 40: A BGP network has been designed to provide resiliency and re...
- Question 41: When configuring class of services, what would be you use to...
- Question 42: Which address range is used for source-specific multicast?...
- Question 43: You enable the Multiple VLAN Registration Protocol (MVRP) to...
- Question 44: Which statement is correct about MSTP?...
- Question 45: You are deploying IP phones in your Layer 2 network and are ...
- Question 46: Referring to the exhibit, a RMSM network is set up to enable...
- Question 47: Referring to the exhibit, how will router E quickly learn th...
- Question 48: Packets enter a Juniper device and are classified as best ef...
- Question 49: Click the Exhibit button. Referring to the exhibit, how is R...
- Question 50: Referring to the exhibit, ServerA sends a single IP packet d...
- Question 51: Referring to the exhibit, which two statements are correct? ...
- Question 52: In IS-IS advertising POUs with the overload bit has which ef...
- Question 53: You are implementing 802.1x authentication in your Layer 2 n...
- Question 54: You have deployed sparce-mode multicast in your network usin...
- Question 55: What are three well-known mandatory BGP attributes? (Choose ...
- Question 56: You have configured class mode power management on an EX4300...
- Question 57: Referring to the exhibit, which TTL value will be sent to th...
- Question 58: Router R1, in peer AS 65001, advertises routes to R2 using E...
- Question 59: Your campus EX9200 core devices are highly oversubscribed on...
- Question 60: You must provide network connectivity to hosts that fail aut...
- Question 61: Your network is configured for EVPN load balancing on three ...
- Question 62: You are using 802.1X authentication in your network to secur...
- 1 commentQuestion 63: You are troubleshooting an EVPN-VXLAN IP fabric and observe ...
- Question 64: You are investigating reports of increased latency and disco...
- Question 65: Which protocol is used for port-level access control and aut...
- Question 66: You must ensure that all management traffic sourced from you...
- Question 67: Referring to the exhibit, which statement is correct? (Exhib...
- Question 68: A router is attempting to form an OSPF neighborship with ano...
- Question 69: Remote branches connect to the corporate WAN through access ...
- Question 70: Your IPv4 multicast network uses different MX Series routers...
- Question 71: Which two statements are correct about the deployment of EVP...
- Question 72: You are enabling MSTP in your Layer 2 network to prevent loo...
- Question 73: You are adding VNI 101 to your EVPN-VXLAN network, but traff...
- Question 74: Which statement is true regarding LLDP advertisements?...
- Question 75: Which two statements are true about IS-IS levels? (Choose tw...
- Question 76: You are configuring, the PVLAN feature on your switches. The...
- Question 77: You are asked to troubleshoot voice quality issues on your n...
- Question 78: Referring to the exhibit, you configured a new multicast cla...
- Question 79: You have PIM SM multicast configure and running in a network...
- Question 80: Referring to the exhibit, how is R1 learning the route from ...
- Question 81: Which two statements are true about PIM source-specific mult...
- Question 82: Click the exhibit. (Exhibit) Where is the policy shown in th...
- Question 83: In a Layer 2 environment where 802.1X is deployed, which two...
