CCNA Voice : Official exam certification guide
- 576 stránok
- 21 hodin čítania
Preparation and practice for the ALL NEW CCNA Voice exam from the all-time best selling CCNA self-study test preparation series.
Michael J. Cavanaugh Knihy
Cisco QOS exam certification guide : IP telephony self-study
- 768 stránok
- 27 hodin čítania
Prepare for the 642-642 QOS exam for IP Telephony Specialist certification with the official test preparation guide.