Cisco CCIE Written Metro Ethernet Set 2

switchport trunk allowed 3,4,5,9 ✘ switchport mode dot1q-tunnel 3-5,9 ✘ switchport trunk allowed vlan 3-9 ✘ switchport trunk allowed vlan 3-5,9 ✔ switch trunk vlan 3,4,5,9 allowed ✔

ip mtu x ✘ system mtu ✘ mtu x ✘ mpls mtu x ✔ ip tcp path-mtu-discovery ✔

L2TPv2 and L2TPv3 are the same protocol with enhanced features in L2TPv3. ✘ L2TPv2 and L2TPv3 are both commonly used for dial-in services. ✘ L2TPv2, not L2TPv3, is commonly used for dial-in services. ✘ L2TPv3 is used for Layer2 attachment services. ✔ None of the above ✔

26 ✘ 34 ✘ 46 ✘ 38 ✔

It is optional, but Cisco implementation never uses it. ✘ It is optional, but Cisco implementation always uses it. ✘ It is optional, and Cisco implementation uses it only whenever possible. ✘ It is required. ✔ There is no such a thing as EoMPLS control word. ✔

They are parameters of PNNI set during PNNI configuration. ✘ They are types of SVCs. ✘ They are types of PVCs. ✘ They are forms of QoS features used in ATM networks. ✔ They are only used between ATM switches to control traffic flows. ✔

235.1.1.1 223.20.1.1 10.100.1.1 127.0.0.1 24.15.1.1

MPLS is not enable from PE to P. ✘ The remote PE interface is down. ✘ TDP is configured instead of LDP. ✘ There is a remote side MTU mismatch. ✔

Receive + ✘ Transmit + ✘ Receive - ✘ Transmit - ✔

PVST supports dot1q and PVST+ does not. ✘ PVST+ supports 802.1q and ISL. ✘ PVST supports only 802.1q and doesn't support ISL ✘ PVST+ is an enhancement to the 802.1Q specification and is not supported on non-Cisco devices andPVST uses ISL Trunking. ✔