By Todd Lammle
Commence your education for Cisco's new CCENT entry-level networking certification, your access element into Cisco's well known CCNA certification music. This complete examine advisor from best Cisco authority Todd Lammle completely prepares you for the Interconnecting Cisco Networking units, half 1 examination (640-822) and the beginning of a occupation, with pages of examination necessities, real-world eventualities, and hands-on workouts. themes comprise the operation of information networks, how you can enforce either switched and routed networks, and masses extra.
Read Online or Download CCENT: Cisco Certified Entry Networking Technician Study Guide: ICND1 (Exam 640-822) (Exam 640-822 With CD) PDF
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Additional resources for CCENT: Cisco Certified Entry Networking Technician Study Guide: ICND1 (Exam 640-822) (Exam 640-822 With CD)
ARP 20. How do you copy a router IOS to a TFTP host? A. copy run starting B. copy start running C. copy running tftp D. fm Page xxx Wednesday, January 23, 2008 1:38 PM xxx Assessment Test 21. If your router is facilitating a CSU/DSU, which of the following commands do you need to use to provide the router with a 64kbps serial link? A. RouterA(config)#bandwidth 64 B. RouterA(config-if)#bandwidth 64000 C. RouterA(config)#clockrate 64000 D. RouterA(config-if)#clock rate 64 E. RouterA(config-if)#clock rate 64000 22.
And as you can imagine, it would be slow if the transmitting machine had to wait for an acknowledgment after sending each segment. But because there’s time available after the sender transmits the data segment and before it finishes processing acknowledgments from the receiving machine, the sender uses the break as an opportunity to transmit more data. The quantity of data segments (measured in bytes) that the transmitting machine is allowed to send without receiving an acknowledgment for them is called a window.
Fm Page 7 Wednesday, January 23, 2008 1:41 PM Internetworking Basics 7 Routers can be used for the following four functions in your network: Packet switching Packet filtering Internetwork communication Path selection Remember that routers are really switches; they’re actually what we call layer 3 switches (we’ll talk about layers later in this chapter). Unlike layer 2 switches, which forward or filter frames, routers (layer 3 switches) use logical addressing and provide what is called packet switching.